Home / 81,841,928,337.40-122,762,892,506.10-46,578,054,494.20

Finding the Fourth Proportional to 81,841,928,337.40, 122,762,892,506.10 and 46,578,054,494.20

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Solution

The fourth proportional to 81,841,928,337.40, 122,762,892,506.10 and 46,578,054,494.20 is: 69,867,081,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,841,928,337.40 : 122,762,892,506.10 = 46,578,054,494.20 : x
  2. Step 2: Convert to fraction form
    81,841,928,337.40/122,762,892,506.10 = 46,578,054,494.20/x
  3. Step 3: Cross multiply
    81,841,928,337.40x = 122,762,892,506.10 × 46,578,054,494.20
  4. Step 4: Simplify right side
    81,841,928,337.40x = 5,718,056,697,014,742,155,264
  5. Step 5: Solve for x
    x = 5,718,056,697,014,742,155,264/81,841,928,337.40
  6. Step 6: Final answer
    x = 69,867,081,741.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.