Home / 220,690,310.94-304,506,033.75-127,865,166.30

Finding the Fourth Proportional to 220,690,310.94, 304,506,033.75 and 127,865,166.30

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Solution

The fourth proportional to 220,690,310.94, 304,506,033.75 and 127,865,166.30 is: 176,426,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,690,310.94 : 304,506,033.75 = 127,865,166.30 : x
  2. Step 2: Convert to fraction form
    220,690,310.94/304,506,033.75 = 127,865,166.30/x
  3. Step 3: Cross multiply
    220,690,310.94x = 304,506,033.75 × 127,865,166.30
  4. Step 4: Simplify right side
    220,690,310.94x = 38,935,714,644,797,160
  5. Step 5: Solve for x
    x = 38,935,714,644,797,160/220,690,310.94
  6. Step 6: Final answer
    x = 176,426,932.74

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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.