Home / 187,816,200.90-281,724,301.35-129,365,564.10

Finding the Fourth Proportional to 187,816,200.90, 281,724,301.35 and 129,365,564.10

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Solution

The fourth proportional to 187,816,200.90, 281,724,301.35 and 129,365,564.10 is: 194,048,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,816,200.90 : 281,724,301.35 = 129,365,564.10 : x
  2. Step 2: Convert to fraction form
    187,816,200.90/281,724,301.35 = 129,365,564.10/x
  3. Step 3: Cross multiply
    187,816,200.90x = 281,724,301.35 × 129,365,564.10
  4. Step 4: Simplify right side
    187,816,200.90x = 36,445,423,164,821,144
  5. Step 5: Solve for x
    x = 36,445,423,164,821,144/187,816,200.90
  6. Step 6: Final answer
    x = 194,048,346.15

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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.