Home / 56,520,459.20-84,780,688.80-42,171,552.20

Finding the Fourth Proportional to 56,520,459.20, 84,780,688.80 and 42,171,552.20

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Solution

The fourth proportional to 56,520,459.20, 84,780,688.80 and 42,171,552.20 is: 63,257,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,520,459.20 : 84,780,688.80 = 42,171,552.20 : x
  2. Step 2: Convert to fraction form
    56,520,459.20/84,780,688.80 = 42,171,552.20/x
  3. Step 3: Cross multiply
    56,520,459.20x = 84,780,688.80 × 42,171,552.20
  4. Step 4: Simplify right side
    56,520,459.20x = 3,575,333,243,281,155.50
  5. Step 5: Solve for x
    x = 3,575,333,243,281,155.50/56,520,459.20
  6. Step 6: Final answer
    x = 63,257,328.30

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Similar ratio
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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.