Home / 129,276,603.20-193,914,904.80-52,654,620.80

Finding the Fourth Proportional to 129,276,603.20, 193,914,904.80 and 52,654,620.80

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Solution

The fourth proportional to 129,276,603.20, 193,914,904.80 and 52,654,620.80 is: 78,981,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,603.20 : 193,914,904.80 = 52,654,620.80 : x
  2. Step 2: Convert to fraction form
    129,276,603.20/193,914,904.80 = 52,654,620.80/x
  3. Step 3: Cross multiply
    129,276,603.20x = 193,914,904.80 × 52,654,620.80
  4. Step 4: Simplify right side
    129,276,603.20x = 10,210,515,779,712,100
  5. Step 5: Solve for x
    x = 10,210,515,779,712,100/129,276,603.20
  6. Step 6: Final answer
    x = 78,981,931.20

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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.