Home / 112,776,760.60-155,641,446.78-63,216,342.04

Finding the Fourth Proportional to 112,776,760.60, 155,641,446.78 and 63,216,342.04

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Solution

The fourth proportional to 112,776,760.60, 155,641,446.78 and 63,216,342.04 is: 87,243,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776,760.60 : 155,641,446.78 = 63,216,342.04 : x
  2. Step 2: Convert to fraction form
    112,776,760.60/155,641,446.78 = 63,216,342.04/x
  3. Step 3: Cross multiply
    112,776,760.60x = 155,641,446.78 × 63,216,342.04
  4. Step 4: Simplify right side
    112,776,760.60x = 9,839,082,935,244,936
  5. Step 5: Solve for x
    x = 9,839,082,935,244,936/112,776,760.60
  6. Step 6: Final answer
    x = 87,243,886.80

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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.