Home / 125,961,812.80-188,942,719.20-104,438,452.30

Finding the Fourth Proportional to 125,961,812.80, 188,942,719.20 and 104,438,452.30

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Solution

The fourth proportional to 125,961,812.80, 188,942,719.20 and 104,438,452.30 is: 156,657,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,961,812.80 : 188,942,719.20 = 104,438,452.30 : x
  2. Step 2: Convert to fraction form
    125,961,812.80/188,942,719.20 = 104,438,452.30/x
  3. Step 3: Cross multiply
    125,961,812.80x = 188,942,719.20 × 104,438,452.30
  4. Step 4: Simplify right side
    125,961,812.80x = 19,732,885,166,601,492
  5. Step 5: Solve for x
    x = 19,732,885,166,601,492/125,961,812.80
  6. Step 6: Final answer
    x = 156,657,678.45

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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.