Home / 112,119,417.60-168,123,139.20-51,466,617.60

Finding the Fourth Proportional to 112,119,417.60, 168,123,139.20 and 51,466,617.60

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Solution

The fourth proportional to 112,119,417.60, 168,123,139.20 and 51,466,617.60 is: 77,174,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119,417.60 : 168,123,139.20 = 51,466,617.60 : x
  2. Step 2: Convert to fraction form
    112,119,417.60/168,123,139.20 = 51,466,617.60/x
  3. Step 3: Cross multiply
    112,119,417.60x = 168,123,139.20 × 51,466,617.60
  4. Step 4: Simplify right side
    112,119,417.60x = 8,652,729,314,917,970
  5. Step 5: Solve for x
    x = 8,652,729,314,917,970/112,119,417.60
  6. Step 6: Final answer
    x = 77,174,226.38

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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.