Home / 124,404,472.80-186,606,709.20-79,166,815.20

Finding the Fourth Proportional to 124,404,472.80, 186,606,709.20 and 79,166,815.20

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Solution

The fourth proportional to 124,404,472.80, 186,606,709.20 and 79,166,815.20 is: 118,750,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,404,472.80 : 186,606,709.20 = 79,166,815.20 : x
  2. Step 2: Convert to fraction form
    124,404,472.80/186,606,709.20 = 79,166,815.20/x
  3. Step 3: Cross multiply
    124,404,472.80x = 186,606,709.20 × 79,166,815.20
  4. Step 4: Simplify right side
    124,404,472.80x = 14,773,058,862,316,540
  5. Step 5: Solve for x
    x = 14,773,058,862,316,540/124,404,472.80
  6. Step 6: Final answer
    x = 118,750,222.80

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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.