Home / 129,039,002.40-193,558,503.60-106,364,186.40

Finding the Fourth Proportional to 129,039,002.40, 193,558,503.60 and 106,364,186.40

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Solution

The fourth proportional to 129,039,002.40, 193,558,503.60 and 106,364,186.40 is: 159,546,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,039,002.40 : 193,558,503.60 = 106,364,186.40 : x
  2. Step 2: Convert to fraction form
    129,039,002.40/193,558,503.60 = 106,364,186.40/x
  3. Step 3: Cross multiply
    129,039,002.40x = 193,558,503.60 × 106,364,186.40
  4. Step 4: Simplify right side
    129,039,002.40x = 20,587,692,756,215,472
  5. Step 5: Solve for x
    x = 20,587,692,756,215,472/129,039,002.40
  6. Step 6: Final answer
    x = 159,546,279.60

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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.