Home / 42,120,459.06-63,180,688.59-10,207,755.06

Finding the Fourth Proportional to 42,120,459.06, 63,180,688.59 and 10,207,755.06

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Solution

The fourth proportional to 42,120,459.06, 63,180,688.59 and 10,207,755.06 is: 15,311,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120,459.06 : 63,180,688.59 = 10,207,755.06 : x
  2. Step 2: Convert to fraction form
    42,120,459.06/63,180,688.59 = 10,207,755.06/x
  3. Step 3: Cross multiply
    42,120,459.06x = 63,180,688.59 × 10,207,755.06
  4. Step 4: Simplify right side
    42,120,459.06x = 644,932,993,648,856.88
  5. Step 5: Solve for x
    x = 644,932,993,648,856.88/42,120,459.06
  6. Step 6: Final answer
    x = 15,311,632.59

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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.