Home / 92,014,009.40-137,781,865.65-72,722,701.10

Finding the Fourth Proportional to 92,014,009.40, 137,781,865.65 and 72,722,701.10

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Solution

The fourth proportional to 92,014,009.40, 137,781,865.65 and 72,722,701.10 is: 108,895,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,014,009.40 : 137,781,865.65 = 72,722,701.10 : x
  2. Step 2: Convert to fraction form
    92,014,009.40/137,781,865.65 = 72,722,701.10/x
  3. Step 3: Cross multiply
    92,014,009.40x = 137,781,865.65 × 72,722,701.10
  4. Step 4: Simplify right side
    92,014,009.40x = 10,019,869,432,665,306
  5. Step 5: Solve for x
    x = 10,019,869,432,665,306/92,014,009.40
  6. Step 6: Final answer
    x = 108,895,042.16

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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.