Home / 79,498,309.65-109,791,306.12-70,832,333.77

Finding the Fourth Proportional to 79,498,309.65, 109,791,306.12 and 70,832,333.77

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Solution

The fourth proportional to 79,498,309.65, 109,791,306.12 and 70,832,333.77 is: 97,823,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,498,309.65 : 109,791,306.12 = 70,832,333.77 : x
  2. Step 2: Convert to fraction form
    79,498,309.65/109,791,306.12 = 70,832,333.77/x
  3. Step 3: Cross multiply
    79,498,309.65x = 109,791,306.12 × 70,832,333.77
  4. Step 4: Simplify right side
    79,498,309.65x = 7,776,774,439,781,921
  5. Step 5: Solve for x
    x = 7,776,774,439,781,921/79,498,309.65
  6. Step 6: Final answer
    x = 97,823,142.08

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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.