Home / 177,412,862.40-266,119,293.60-129,637,118.40

Finding the Fourth Proportional to 177,412,862.40, 266,119,293.60 and 129,637,118.40

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Solution

The fourth proportional to 177,412,862.40, 266,119,293.60 and 129,637,118.40 is: 194,455,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,862.40 : 266,119,293.60 = 129,637,118.40 : x
  2. Step 2: Convert to fraction form
    177,412,862.40/266,119,293.60 = 129,637,118.40/x
  3. Step 3: Cross multiply
    177,412,862.40x = 266,119,293.60 × 129,637,118.40
  4. Step 4: Simplify right side
    177,412,862.40x = 34,498,938,372,947,564
  5. Step 5: Solve for x
    x = 34,498,938,372,947,564/177,412,862.40
  6. Step 6: Final answer
    x = 194,455,677.60

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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.