Home / 120,748,244.60-181,033,793.40-47,929,017.80

Finding the Fourth Proportional to 120,748,244.60, 181,033,793.40 and 47,929,017.80

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Solution

The fourth proportional to 120,748,244.60, 181,033,793.40 and 47,929,017.80 is: 71,858,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,748,244.60 : 181,033,793.40 = 47,929,017.80 : x
  2. Step 2: Convert to fraction form
    120,748,244.60/181,033,793.40 = 47,929,017.80/x
  3. Step 3: Cross multiply
    120,748,244.60x = 181,033,793.40 × 47,929,017.80
  4. Step 4: Simplify right side
    120,748,244.60x = 8,676,771,906,270,122
  5. Step 5: Solve for x
    x = 8,676,771,906,270,122/120,748,244.60
  6. Step 6: Final answer
    x = 71,858,368.91

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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.