Home / 72,929,970.82-109,354,574.49-29,829,444.76

Finding the Fourth Proportional to 72,929,970.82, 109,354,574.49 and 29,829,444.76

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Solution

The fourth proportional to 72,929,970.82, 109,354,574.49 and 29,829,444.76 is: 44,727,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,970.82 : 109,354,574.49 = 29,829,444.76 : x
  2. Step 2: Convert to fraction form
    72,929,970.82/109,354,574.49 = 29,829,444.76/x
  3. Step 3: Cross multiply
    72,929,970.82x = 109,354,574.49 × 29,829,444.76
  4. Step 4: Simplify right side
    72,929,970.82x = 3,261,986,239,002,760
  5. Step 5: Solve for x
    x = 3,261,986,239,002,760/72,929,970.82
  6. Step 6: Final answer
    x = 44,727,650.41

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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.