Home / 94,320,429.60-141,144,721.20-65,431,034.40

Finding the Fourth Proportional to 94,320,429.60, 141,144,721.20 and 65,431,034.40

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Solution

The fourth proportional to 94,320,429.60, 141,144,721.20 and 65,431,034.40 is: 97,913,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,320,429.60 : 141,144,721.20 = 65,431,034.40 : x
  2. Step 2: Convert to fraction form
    94,320,429.60/141,144,721.20 = 65,431,034.40/x
  3. Step 3: Cross multiply
    94,320,429.60x = 141,144,721.20 × 65,431,034.40
  4. Step 4: Simplify right side
    94,320,429.60x = 9,235,245,108,215,608
  5. Step 5: Solve for x
    x = 9,235,245,108,215,608/94,320,429.60
  6. Step 6: Final answer
    x = 97,913,518.28

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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.