Home / 125,355,618.10-188,033,427.15-103,814,542.90

Finding the Fourth Proportional to 125,355,618.10, 188,033,427.15 and 103,814,542.90

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Solution

The fourth proportional to 125,355,618.10, 188,033,427.15 and 103,814,542.90 is: 155,721,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,618.10 : 188,033,427.15 = 103,814,542.90 : x
  2. Step 2: Convert to fraction form
    125,355,618.10/188,033,427.15 = 103,814,542.90/x
  3. Step 3: Cross multiply
    125,355,618.10x = 188,033,427.15 × 103,814,542.90
  4. Step 4: Simplify right side
    125,355,618.10x = 19,520,604,289,497,700
  5. Step 5: Solve for x
    x = 19,520,604,289,497,700/125,355,618.10
  6. Step 6: Final answer
    x = 155,721,814.35

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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.