Home / 177,980,459.70-266,970,689.55-75,718,802.10

Finding the Fourth Proportional to 177,980,459.70, 266,970,689.55 and 75,718,802.10

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Solution

The fourth proportional to 177,980,459.70, 266,970,689.55 and 75,718,802.10 is: 113,578,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,980,459.70 : 266,970,689.55 = 75,718,802.10 : x
  2. Step 2: Convert to fraction form
    177,980,459.70/266,970,689.55 = 75,718,802.10/x
  3. Step 3: Cross multiply
    177,980,459.70x = 266,970,689.55 × 75,718,802.10
  4. Step 4: Simplify right side
    177,980,459.70x = 20,214,700,808,536,988
  5. Step 5: Solve for x
    x = 20,214,700,808,536,988/177,980,459.70
  6. Step 6: Final answer
    x = 113,578,203.15

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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.