Home / 112,773,340.80-169,160,011.20-55,377,712.80

Finding the Fourth Proportional to 112,773,340.80, 169,160,011.20 and 55,377,712.80

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Solution

The fourth proportional to 112,773,340.80, 169,160,011.20 and 55,377,712.80 is: 83,066,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,773,340.80 : 169,160,011.20 = 55,377,712.80 : x
  2. Step 2: Convert to fraction form
    112,773,340.80/169,160,011.20 = 55,377,712.80/x
  3. Step 3: Cross multiply
    112,773,340.80x = 169,160,011.20 × 55,377,712.80
  4. Step 4: Simplify right side
    112,773,340.80x = 9,367,694,517,478,382
  5. Step 5: Solve for x
    x = 9,367,694,517,478,382/112,773,340.80
  6. Step 6: Final answer
    x = 83,066,569.20

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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.