Home / 129,035,938.80-193,553,908.20-88,161,135.60

Finding the Fourth Proportional to 129,035,938.80, 193,553,908.20 and 88,161,135.60

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Solution

The fourth proportional to 129,035,938.80, 193,553,908.20 and 88,161,135.60 is: 132,241,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,035,938.80 : 193,553,908.20 = 88,161,135.60 : x
  2. Step 2: Convert to fraction form
    129,035,938.80/193,553,908.20 = 88,161,135.60/x
  3. Step 3: Cross multiply
    129,035,938.80x = 193,553,908.20 × 88,161,135.60
  4. Step 4: Simplify right side
    129,035,938.80x = 17,063,932,346,730,150
  5. Step 5: Solve for x
    x = 17,063,932,346,730,150/129,035,938.80
  6. Step 6: Final answer
    x = 132,241,703.40

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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.