Home / 89,900,388,971.15-124,046,768,736.40-51,301,685,652.08

Finding the Fourth Proportional to 89,900,388,971.15, 124,046,768,736.40 and 51,301,685,652.08

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Solution

The fourth proportional to 89,900,388,971.15, 124,046,768,736.40 and 51,301,685,652.08 is: 70,787,328,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,900,388,971.15 : 124,046,768,736.40 = 51,301,685,652.08 : x
  2. Step 2: Convert to fraction form
    89,900,388,971.15/124,046,768,736.40 = 51,301,685,652.08/x
  3. Step 3: Cross multiply
    89,900,388,971.15x = 124,046,768,736.40 × 51,301,685,652.08
  4. Step 4: Simplify right side
    89,900,388,971.15x = 6,363,808,335,871,305,842,688
  5. Step 5: Solve for x
    x = 6,363,808,335,871,305,842,688/89,900,388,971.15
  6. Step 6: Final answer
    x = 70,787,328,160.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.