Home / 108,252,657.18-149,244,144.84-85,999,479.66

Finding the Fourth Proportional to 108,252,657.18, 149,244,144.84 and 85,999,479.66

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Solution

The fourth proportional to 108,252,657.18, 149,244,144.84 and 85,999,479.66 is: 118,564,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,252,657.18 : 149,244,144.84 = 85,999,479.66 : x
  2. Step 2: Convert to fraction form
    108,252,657.18/149,244,144.84 = 85,999,479.66/x
  3. Step 3: Cross multiply
    108,252,657.18x = 149,244,144.84 × 85,999,479.66
  4. Step 4: Simplify right side
    108,252,657.18x = 12,834,918,798,541,674
  5. Step 5: Solve for x
    x = 12,834,918,798,541,674/108,252,657.18
  6. Step 6: Final answer
    x = 118,564,468.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.