Home / 112,363,977.60-168,545,966.40-31,584,945.60

Finding the Fourth Proportional to 112,363,977.60, 168,545,966.40 and 31,584,945.60

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Solution

The fourth proportional to 112,363,977.60, 168,545,966.40 and 31,584,945.60 is: 47,377,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363,977.60 : 168,545,966.40 = 31,584,945.60 : x
  2. Step 2: Convert to fraction form
    112,363,977.60/168,545,966.40 = 31,584,945.60/x
  3. Step 3: Cross multiply
    112,363,977.60x = 168,545,966.40 × 31,584,945.60
  4. Step 4: Simplify right side
    112,363,977.60x = 5,323,515,179,843,428
  5. Step 5: Solve for x
    x = 5,323,515,179,843,428/112,363,977.60
  6. Step 6: Final answer
    x = 47,377,418.40

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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.