Home / 99,242,405.40-148,879,937.70-31,068,658.20

Finding the Fourth Proportional to 99,242,405.40, 148,879,937.70 and 31,068,658.20

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Solution

The fourth proportional to 99,242,405.40, 148,879,937.70 and 31,068,658.20 is: 46,608,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,242,405.40 : 148,879,937.70 = 31,068,658.20 : x
  2. Step 2: Convert to fraction form
    99,242,405.40/148,879,937.70 = 31,068,658.20/x
  3. Step 3: Cross multiply
    99,242,405.40x = 148,879,937.70 × 31,068,658.20
  4. Step 4: Simplify right side
    99,242,405.40x = 4,625,499,897,238,594
  5. Step 5: Solve for x
    x = 4,625,499,897,238,594/99,242,405.40
  6. Step 6: Final answer
    x = 46,608,099.42

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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.