Home / 161,581,404.16-242,372,140.80-40,412,869.12

Finding the Fourth Proportional to 161,581,404.16, 242,372,140.80 and 40,412,869.12

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Solution

The fourth proportional to 161,581,404.16, 242,372,140.80 and 40,412,869.12 is: 60,619,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,581,404.16 : 242,372,140.80 = 40,412,869.12 : x
  2. Step 2: Convert to fraction form
    161,581,404.16/242,372,140.80 = 40,412,869.12/x
  3. Step 3: Cross multiply
    161,581,404.16x = 242,372,140.80 × 40,412,869.12
  4. Step 4: Simplify right side
    161,581,404.16x = 9,794,953,604,484,612
  5. Step 5: Solve for x
    x = 9,794,953,604,484,612/161,581,404.16
  6. Step 6: Final answer
    x = 60,619,312.32

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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.