Home / 124,438,381.20-186,666,539.87-47,761,409.42

Finding the Fourth Proportional to 124,438,381.20, 186,666,539.87 and 47,761,409.42

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Solution

The fourth proportional to 124,438,381.20, 186,666,539.87 and 47,761,409.42 is: 71,645,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438,381.20 : 186,666,539.87 = 47,761,409.42 : x
  2. Step 2: Convert to fraction form
    124,438,381.20/186,666,539.87 = 47,761,409.42/x
  3. Step 3: Cross multiply
    124,438,381.20x = 186,666,539.87 × 47,761,409.42
  4. Step 4: Simplify right side
    124,438,381.20x = 8,915,457,034,573,684
  5. Step 5: Solve for x
    x = 8,915,457,034,573,684/124,438,381.20
  6. Step 6: Final answer
    x = 71,645,556.21

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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.