Home / 86,724,046.40-129,975,844.80-35,548,246.40

Finding the Fourth Proportional to 86,724,046.40, 129,975,844.80 and 35,548,246.40

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Solution

The fourth proportional to 86,724,046.40, 129,975,844.80 and 35,548,246.40 is: 53,277,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,724,046.40 : 129,975,844.80 = 35,548,246.40 : x
  2. Step 2: Convert to fraction form
    86,724,046.40/129,975,844.80 = 35,548,246.40/x
  3. Step 3: Cross multiply
    86,724,046.40x = 129,975,844.80 × 35,548,246.40
  4. Step 4: Simplify right side
    86,724,046.40x = 4,620,413,356,998,558
  5. Step 5: Solve for x
    x = 4,620,413,356,998,558/86,724,046.40
  6. Step 6: Final answer
    x = 53,277,188.38

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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.