Home / 99,128,117.40-148,692,176.10-88,074,144.60

Finding the Fourth Proportional to 99,128,117.40, 148,692,176.10 and 88,074,144.60

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Solution

The fourth proportional to 99,128,117.40, 148,692,176.10 and 88,074,144.60 is: 132,111,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,128,117.40 : 148,692,176.10 = 88,074,144.60 : x
  2. Step 2: Convert to fraction form
    99,128,117.40/148,692,176.10 = 88,074,144.60/x
  3. Step 3: Cross multiply
    99,128,117.40x = 148,692,176.10 × 88,074,144.60
  4. Step 4: Simplify right side
    99,128,117.40x = 13,095,936,218,720,062
  5. Step 5: Solve for x
    x = 13,095,936,218,720,062/99,128,117.40
  6. Step 6: Final answer
    x = 132,111,216.90

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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.