Home / 103,630,545.10-155,445,817.65-31,817,629.90

Finding the Fourth Proportional to 103,630,545.10, 155,445,817.65 and 31,817,629.90

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Solution

The fourth proportional to 103,630,545.10, 155,445,817.65 and 31,817,629.90 is: 47,726,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630,545.10 : 155,445,817.65 = 31,817,629.90 : x
  2. Step 2: Convert to fraction form
    103,630,545.10/155,445,817.65 = 31,817,629.90/x
  3. Step 3: Cross multiply
    103,630,545.10x = 155,445,817.65 × 31,817,629.90
  4. Step 4: Simplify right side
    103,630,545.10x = 4,945,917,495,490,588
  5. Step 5: Solve for x
    x = 4,945,917,495,490,588/103,630,545.10
  6. Step 6: Final answer
    x = 47,726,444.85

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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.