Home / 177,412,900.40-266,119,350.60-129,637,156.40

Finding the Fourth Proportional to 177,412,900.40, 266,119,350.60 and 129,637,156.40

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Solution

The fourth proportional to 177,412,900.40, 266,119,350.60 and 129,637,156.40 is: 194,455,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,900.40 : 266,119,350.60 = 129,637,156.40 : x
  2. Step 2: Convert to fraction form
    177,412,900.40/266,119,350.60 = 129,637,156.40/x
  3. Step 3: Cross multiply
    177,412,900.40x = 266,119,350.60 × 129,637,156.40
  4. Step 4: Simplify right side
    177,412,900.40x = 34,498,955,874,798,636
  5. Step 5: Solve for x
    x = 34,498,955,874,798,636/177,412,900.40
  6. Step 6: Final answer
    x = 194,455,734.60

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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.