Home / 147,612,981.80-221,425,525.02-50,635,381.88

Finding the Fourth Proportional to 147,612,981.80, 221,425,525.02 and 50,635,381.88

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Solution

The fourth proportional to 147,612,981.80, 221,425,525.02 and 50,635,381.88 is: 75,955,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612,981.80 : 221,425,525.02 = 50,635,381.88 : x
  2. Step 2: Convert to fraction form
    147,612,981.80/221,425,525.02 = 50,635,381.88/x
  3. Step 3: Cross multiply
    147,612,981.80x = 221,425,525.02 × 50,635,381.88
  4. Step 4: Simplify right side
    147,612,981.80x = 11,211,966,017,367,196
  5. Step 5: Solve for x
    x = 11,211,966,017,367,196/147,612,981.80
  6. Step 6: Final answer
    x = 75,955,148.94

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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.