Home / 115,452,977.16-159,264,703.14-71,385,889.32

Finding the Fourth Proportional to 115,452,977.16, 159,264,703.14 and 71,385,889.32

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Solution

The fourth proportional to 115,452,977.16, 159,264,703.14 and 71,385,889.32 is: 98,475,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452,977.16 : 159,264,703.14 = 71,385,889.32 : x
  2. Step 2: Convert to fraction form
    115,452,977.16/159,264,703.14 = 71,385,889.32/x
  3. Step 3: Cross multiply
    115,452,977.16x = 159,264,703.14 × 71,385,889.32
  4. Step 4: Simplify right side
    115,452,977.16x = 11,369,252,470,934,694
  5. Step 5: Solve for x
    x = 11,369,252,470,934,694/115,452,977.16
  6. Step 6: Final answer
    x = 98,475,177.95

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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.