Home / 132,945,309.30-199,417,963.95-83,104,259.70

Finding the Fourth Proportional to 132,945,309.30, 199,417,963.95 and 83,104,259.70

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Solution

The fourth proportional to 132,945,309.30, 199,417,963.95 and 83,104,259.70 is: 124,656,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945,309.30 : 199,417,963.95 = 83,104,259.70 : x
  2. Step 2: Convert to fraction form
    132,945,309.30/199,417,963.95 = 83,104,259.70/x
  3. Step 3: Cross multiply
    132,945,309.30x = 199,417,963.95 × 83,104,259.70
  4. Step 4: Simplify right side
    132,945,309.30x = 16,572,482,264,946,038
  5. Step 5: Solve for x
    x = 16,572,482,264,946,038/132,945,309.30
  6. Step 6: Final answer
    x = 124,656,389.55

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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.