Home / 48,281,036.70-72,421,555.05-42,990,246.30

Finding the Fourth Proportional to 48,281,036.70, 72,421,555.05 and 42,990,246.30

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Solution

The fourth proportional to 48,281,036.70, 72,421,555.05 and 42,990,246.30 is: 64,485,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,281,036.70 : 72,421,555.05 = 42,990,246.30 : x
  2. Step 2: Convert to fraction form
    48,281,036.70/72,421,555.05 = 42,990,246.30/x
  3. Step 3: Cross multiply
    48,281,036.70x = 72,421,555.05 × 42,990,246.30
  4. Step 4: Simplify right side
    48,281,036.70x = 3,113,420,489,028,508.50
  5. Step 5: Solve for x
    x = 3,113,420,489,028,508.50/48,281,036.70
  6. Step 6: Final answer
    x = 64,485,369.45

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Double scale
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Similar ratio
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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.