Home / 157,465,139.20-236,197,708.80-88,590,385.60

Finding the Fourth Proportional to 157,465,139.20, 236,197,708.80 and 88,590,385.60

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Solution

The fourth proportional to 157,465,139.20, 236,197,708.80 and 88,590,385.60 is: 132,885,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,139.20 : 236,197,708.80 = 88,590,385.60 : x
  2. Step 2: Convert to fraction form
    157,465,139.20/236,197,708.80 = 88,590,385.60/x
  3. Step 3: Cross multiply
    157,465,139.20x = 236,197,708.80 × 88,590,385.60
  4. Step 4: Simplify right side
    157,465,139.20x = 20,924,846,100,428,512
  5. Step 5: Solve for x
    x = 20,924,846,100,428,512/157,465,139.20
  6. Step 6: Final answer
    x = 132,885,578.40

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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.