Home / 177,412,931.80-266,119,397.70-81,861,443.80

Finding the Fourth Proportional to 177,412,931.80, 266,119,397.70 and 81,861,443.80

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Solution

The fourth proportional to 177,412,931.80, 266,119,397.70 and 81,861,443.80 is: 122,792,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,931.80 : 266,119,397.70 = 81,861,443.80 : x
  2. Step 2: Convert to fraction form
    177,412,931.80/266,119,397.70 = 81,861,443.80/x
  3. Step 3: Cross multiply
    177,412,931.80x = 266,119,397.70 × 81,861,443.80
  4. Step 4: Simplify right side
    177,412,931.80x = 21,784,918,118,908,396
  5. Step 5: Solve for x
    x = 21,784,918,118,908,396/177,412,931.80
  6. Step 6: Final answer
    x = 122,792,165.70

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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.