Home / 177,412,328.40-266,118,492.60-129,636,584.40

Finding the Fourth Proportional to 177,412,328.40, 266,118,492.60 and 129,636,584.40

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Solution

The fourth proportional to 177,412,328.40, 266,118,492.60 and 129,636,584.40 is: 194,454,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,328.40 : 266,118,492.60 = 129,636,584.40 : x
  2. Step 2: Convert to fraction form
    177,412,328.40/266,118,492.60 = 129,636,584.40/x
  3. Step 3: Cross multiply
    177,412,328.40x = 266,118,492.60 × 129,636,584.40
  4. Step 4: Simplify right side
    177,412,328.40x = 34,498,692,426,340,676
  5. Step 5: Solve for x
    x = 34,498,692,426,340,676/177,412,328.40
  6. Step 6: Final answer
    x = 194,454,876.60

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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.