Home / 77,225,686.73-115,782,366.10-36,264,018.72

Finding the Fourth Proportional to 77,225,686.73, 115,782,366.10 and 36,264,018.72

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Solution

The fourth proportional to 77,225,686.73, 115,782,366.10 and 36,264,018.72 is: 54,369,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225,686.73 : 115,782,366.10 = 36,264,018.72 : x
  2. Step 2: Convert to fraction form
    77,225,686.73/115,782,366.10 = 36,264,018.72/x
  3. Step 3: Cross multiply
    77,225,686.73x = 115,782,366.10 × 36,264,018.72
  4. Step 4: Simplify right side
    77,225,686.73x = 4,198,733,891,605,633
  5. Step 5: Solve for x
    x = 4,198,733,891,605,633/77,225,686.73
  6. Step 6: Final answer
    x = 54,369,654.32

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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.