Home / 162,385,425.40-243,578,138.10-127,948,048.60

Finding the Fourth Proportional to 162,385,425.40, 243,578,138.10 and 127,948,048.60

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Solution

The fourth proportional to 162,385,425.40, 243,578,138.10 and 127,948,048.60 is: 191,922,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,425.40 : 243,578,138.10 = 127,948,048.60 : x
  2. Step 2: Convert to fraction form
    162,385,425.40/243,578,138.10 = 127,948,048.60/x
  3. Step 3: Cross multiply
    162,385,425.40x = 243,578,138.10 × 127,948,048.60
  4. Step 4: Simplify right side
    162,385,425.40x = 31,165,347,451,516,308
  5. Step 5: Solve for x
    x = 31,165,347,451,516,308/162,385,425.40
  6. Step 6: Final answer
    x = 191,922,072.90

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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.