Home / 121,276,251.40-181,914,377.10-48,457,024.60

Finding the Fourth Proportional to 121,276,251.40, 181,914,377.10 and 48,457,024.60

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Solution

The fourth proportional to 121,276,251.40, 181,914,377.10 and 48,457,024.60 is: 72,685,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276,251.40 : 181,914,377.10 = 48,457,024.60 : x
  2. Step 2: Convert to fraction form
    121,276,251.40/181,914,377.10 = 48,457,024.60/x
  3. Step 3: Cross multiply
    121,276,251.40x = 181,914,377.10 × 48,457,024.60
  4. Step 4: Simplify right side
    121,276,251.40x = 8,815,029,446,228,377
  5. Step 5: Solve for x
    x = 8,815,029,446,228,377/121,276,251.40
  6. Step 6: Final answer
    x = 72,685,536.90

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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.