Home / 113,176,036.90-169,746,999.46-72,519,585.70

Finding the Fourth Proportional to 113,176,036.90, 169,746,999.46 and 72,519,585.70

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Solution

The fourth proportional to 113,176,036.90, 169,746,999.46 and 72,519,585.70 is: 108,768,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,176,036.90 : 169,746,999.46 = 72,519,585.70 : x
  2. Step 2: Convert to fraction form
    113,176,036.90/169,746,999.46 = 72,519,585.70/x
  3. Step 3: Cross multiply
    113,176,036.90x = 169,746,999.46 × 72,519,585.70
  4. Step 4: Simplify right side
    113,176,036.90x = 12,309,982,074,657,324
  5. Step 5: Solve for x
    x = 12,309,982,074,657,324/113,176,036.90
  6. Step 6: Final answer
    x = 108,768,449.68

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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.