Home / 132,887,999.60-199,331,999.40-120,983,721.20

Finding the Fourth Proportional to 132,887,999.60, 199,331,999.40 and 120,983,721.20

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Solution

The fourth proportional to 132,887,999.60, 199,331,999.40 and 120,983,721.20 is: 181,475,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887,999.60 : 199,331,999.40 = 120,983,721.20 : x
  2. Step 2: Convert to fraction form
    132,887,999.60/199,331,999.40 = 120,983,721.20/x
  3. Step 3: Cross multiply
    132,887,999.60x = 199,331,999.40 × 120,983,721.20
  4. Step 4: Simplify right side
    132,887,999.60x = 24,115,927,041,648,168
  5. Step 5: Solve for x
    x = 24,115,927,041,648,168/132,887,999.60
  6. Step 6: Final answer
    x = 181,475,581.80

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1.5x scale

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.