Home / 105,668,215.12-145,829,033.88-61,016,070.88

Finding the Fourth Proportional to 105,668,215.12, 145,829,033.88 and 61,016,070.88

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Solution

The fourth proportional to 105,668,215.12, 145,829,033.88 and 61,016,070.88 is: 84,206,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,668,215.12 : 145,829,033.88 = 61,016,070.88 : x
  2. Step 2: Convert to fraction form
    105,668,215.12/145,829,033.88 = 61,016,070.88/x
  3. Step 3: Cross multiply
    105,668,215.12x = 145,829,033.88 × 61,016,070.88
  4. Step 4: Simplify right side
    105,668,215.12x = 8,897,914,667,584,002
  5. Step 5: Solve for x
    x = 8,897,914,667,584,002/105,668,215.12
  6. Step 6: Final answer
    x = 84,206,160.36

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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.