Home / 126,599,681.04-189,897,446.40-40,336,915.92

Finding the Fourth Proportional to 126,599,681.04, 189,897,446.40 and 40,336,915.92

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Solution

The fourth proportional to 126,599,681.04, 189,897,446.40 and 40,336,915.92 is: 60,504,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,599,681.04 : 189,897,446.40 = 40,336,915.92 : x
  2. Step 2: Convert to fraction form
    126,599,681.04/189,897,446.40 = 40,336,915.92/x
  3. Step 3: Cross multiply
    126,599,681.04x = 189,897,446.40 × 40,336,915.92
  4. Step 4: Simplify right side
    126,599,681.04x = 7,659,877,328,859,507
  5. Step 5: Solve for x
    x = 7,659,877,328,859,507/126,599,681.04
  6. Step 6: Final answer
    x = 60,504,712.70

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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.