Home / 121,428,657.60-182,080,000.80-44,712,196.80

Finding the Fourth Proportional to 121,428,657.60, 182,080,000.80 and 44,712,196.80

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Solution

The fourth proportional to 121,428,657.60, 182,080,000.80 and 44,712,196.80 is: 67,045,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,428,657.60 : 182,080,000.80 = 44,712,196.80 : x
  2. Step 2: Convert to fraction form
    121,428,657.60/182,080,000.80 = 44,712,196.80/x
  3. Step 3: Cross multiply
    121,428,657.60x = 182,080,000.80 × 44,712,196.80
  4. Step 4: Simplify right side
    121,428,657.60x = 8,141,196,829,113,757
  5. Step 5: Solve for x
    x = 8,141,196,829,113,757/121,428,657.60
  6. Step 6: Final answer
    x = 67,045,102.78

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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.