Home / 128,932,225.20-193,398,337.80-88,117,556.40

Finding the Fourth Proportional to 128,932,225.20, 193,398,337.80 and 88,117,556.40

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Solution

The fourth proportional to 128,932,225.20, 193,398,337.80 and 88,117,556.40 is: 132,176,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,932,225.20 : 193,398,337.80 = 88,117,556.40 : x
  2. Step 2: Convert to fraction form
    128,932,225.20/193,398,337.80 = 88,117,556.40/x
  3. Step 3: Cross multiply
    128,932,225.20x = 193,398,337.80 × 88,117,556.40
  4. Step 4: Simplify right side
    128,932,225.20x = 17,041,788,938,757,754
  5. Step 5: Solve for x
    x = 17,041,788,938,757,754/128,932,225.20
  6. Step 6: Final answer
    x = 132,176,334.60

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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.