Home / 129,865,022.64-179,216,632.31-74,109,333.20

Finding the Fourth Proportional to 129,865,022.64, 179,216,632.31 and 74,109,333.20

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Solution

The fourth proportional to 129,865,022.64, 179,216,632.31 and 74,109,333.20 is: 102,272,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865,022.64 : 179,216,632.31 = 74,109,333.20 : x
  2. Step 2: Convert to fraction form
    129,865,022.64/179,216,632.31 = 74,109,333.20/x
  3. Step 3: Cross multiply
    129,865,022.64x = 179,216,632.31 × 74,109,333.20
  4. Step 4: Simplify right side
    129,865,022.64x = 13,281,625,117,577,046
  5. Step 5: Solve for x
    x = 13,281,625,117,577,046/129,865,022.64
  6. Step 6: Final answer
    x = 102,272,535.34

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