Home / 187,734,135.04-281,543,573.28-129,813,966.40

Finding the Fourth Proportional to 187,734,135.04, 281,543,573.28 and 129,813,966.40

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Solution

The fourth proportional to 187,734,135.04, 281,543,573.28 and 129,813,966.40 is: 194,681,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,734,135.04 : 281,543,573.28 = 129,813,966.40 : x
  2. Step 2: Convert to fraction form
    187,734,135.04/281,543,573.28 = 129,813,966.40/x
  3. Step 3: Cross multiply
    187,734,135.04x = 281,543,573.28 × 129,813,966.40
  4. Step 4: Simplify right side
    187,734,135.04x = 36,548,287,961,905,856
  5. Step 5: Solve for x
    x = 36,548,287,961,905,856/187,734,135.04
  6. Step 6: Final answer
    x = 194,681,100.24

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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.