Home / 125,961,810.30-188,942,715.45-104,438,449.80

Finding the Fourth Proportional to 125,961,810.30, 188,942,715.45 and 104,438,449.80

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Solution

The fourth proportional to 125,961,810.30, 188,942,715.45 and 104,438,449.80 is: 156,657,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,961,810.30 : 188,942,715.45 = 104,438,449.80 : x
  2. Step 2: Convert to fraction form
    125,961,810.30/188,942,715.45 = 104,438,449.80/x
  3. Step 3: Cross multiply
    125,961,810.30x = 188,942,715.45 × 104,438,449.80
  4. Step 4: Simplify right side
    125,961,810.30x = 19,732,884,302,600,508
  5. Step 5: Solve for x
    x = 19,732,884,302,600,508/125,961,810.30
  6. Step 6: Final answer
    x = 156,657,674.70

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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.