Home / 97,920,979.20-146,545,545.60-89,858,822.40

Finding the Fourth Proportional to 97,920,979.20, 146,545,545.60 and 89,858,822.40

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Solution

The fourth proportional to 97,920,979.20, 146,545,545.60 and 89,858,822.40 is: 134,479,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,920,979.20 : 146,545,545.60 = 89,858,822.40 : x
  2. Step 2: Convert to fraction form
    97,920,979.20/146,545,545.60 = 89,858,822.40/x
  3. Step 3: Cross multiply
    97,920,979.20x = 146,545,545.60 × 89,858,822.40
  4. Step 4: Simplify right side
    97,920,979.20x = 13,168,410,155,581,502
  5. Step 5: Solve for x
    x = 13,168,410,155,581,502/97,920,979.20
  6. Step 6: Final answer
    x = 134,479,968.06

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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.