Home / 109,254,829.20-163,882,243.80-74,817,452.40

Finding the Fourth Proportional to 109,254,829.20, 163,882,243.80 and 74,817,452.40

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Solution

The fourth proportional to 109,254,829.20, 163,882,243.80 and 74,817,452.40 is: 112,226,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,254,829.20 : 163,882,243.80 = 74,817,452.40 : x
  2. Step 2: Convert to fraction form
    109,254,829.20/163,882,243.80 = 74,817,452.40/x
  3. Step 3: Cross multiply
    109,254,829.20x = 163,882,243.80 × 74,817,452.40
  4. Step 4: Simplify right side
    109,254,829.20x = 12,261,251,974,711,696
  5. Step 5: Solve for x
    x = 12,261,251,974,711,696/109,254,829.20
  6. Step 6: Final answer
    x = 112,226,178.60

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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.