Home / 87,726,419.23-121,062,014.50-48,033,228.77

Finding the Fourth Proportional to 87,726,419.23, 121,062,014.50 and 48,033,228.77

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Solution

The fourth proportional to 87,726,419.23, 121,062,014.50 and 48,033,228.77 is: 66,285,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,726,419.23 : 121,062,014.50 = 48,033,228.77 : x
  2. Step 2: Convert to fraction form
    87,726,419.23/121,062,014.50 = 48,033,228.77/x
  3. Step 3: Cross multiply
    87,726,419.23x = 121,062,014.50 × 48,033,228.77
  4. Step 4: Simplify right side
    87,726,419.23x = 5,814,999,437,835,558
  5. Step 5: Solve for x
    x = 5,814,999,437,835,558/87,726,419.23
  6. Step 6: Final answer
    x = 66,285,612.58

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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.