Home / 156,023,046.18-215,314,051.77-89,942,345.46

Finding the Fourth Proportional to 156,023,046.18, 215,314,051.77 and 89,942,345.46

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Solution

The fourth proportional to 156,023,046.18, 215,314,051.77 and 89,942,345.46 is: 124,121,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,023,046.18 : 215,314,051.77 = 89,942,345.46 : x
  2. Step 2: Convert to fraction form
    156,023,046.18/215,314,051.77 = 89,942,345.46/x
  3. Step 3: Cross multiply
    156,023,046.18x = 215,314,051.77 × 89,942,345.46
  4. Step 4: Simplify right side
    156,023,046.18x = 19,365,850,826,689,664
  5. Step 5: Solve for x
    x = 19,365,850,826,689,664/156,023,046.18
  6. Step 6: Final answer
    x = 124,121,732.66

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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.