Home / 129,946,381.60-194,919,572.40-115,333,722.40

Finding the Fourth Proportional to 129,946,381.60, 194,919,572.40 and 115,333,722.40

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Solution

The fourth proportional to 129,946,381.60, 194,919,572.40 and 115,333,722.40 is: 173,000,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946,381.60 : 194,919,572.40 = 115,333,722.40 : x
  2. Step 2: Convert to fraction form
    129,946,381.60/194,919,572.40 = 115,333,722.40/x
  3. Step 3: Cross multiply
    129,946,381.60x = 194,919,572.40 × 115,333,722.40
  4. Step 4: Simplify right side
    129,946,381.60x = 22,480,799,853,508,304
  5. Step 5: Solve for x
    x = 22,480,799,853,508,304/129,946,381.60
  6. Step 6: Final answer
    x = 173,000,583.60

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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.