Home / 125,355,621.10-188,033,431.65-103,814,545.90

Finding the Fourth Proportional to 125,355,621.10, 188,033,431.65 and 103,814,545.90

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Solution

The fourth proportional to 125,355,621.10, 188,033,431.65 and 103,814,545.90 is: 155,721,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,621.10 : 188,033,431.65 = 103,814,545.90 : x
  2. Step 2: Convert to fraction form
    125,355,621.10/188,033,431.65 = 103,814,545.90/x
  3. Step 3: Cross multiply
    125,355,621.10x = 188,033,431.65 × 103,814,545.90
  4. Step 4: Simplify right side
    125,355,621.10x = 19,520,605,320,763,440
  5. Step 5: Solve for x
    x = 19,520,605,320,763,440/125,355,621.10
  6. Step 6: Final answer
    x = 155,721,818.85

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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.