Home / 131,576,319.16-181,518,323.11-79,336,333.17

Finding the Fourth Proportional to 131,576,319.16, 181,518,323.11 and 79,336,333.17

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Solution

The fourth proportional to 131,576,319.16, 181,518,323.11 and 79,336,333.17 is: 109,449,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576,319.16 : 181,518,323.11 = 79,336,333.17 : x
  2. Step 2: Convert to fraction form
    131,576,319.16/181,518,323.11 = 79,336,333.17/x
  3. Step 3: Cross multiply
    131,576,319.16x = 181,518,323.11 × 79,336,333.17
  4. Step 4: Simplify right side
    131,576,319.16x = 14,400,998,158,516,330
  5. Step 5: Solve for x
    x = 14,400,998,158,516,330/131,576,319.16
  6. Step 6: Final answer
    x = 109,449,772.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.