Home / 80,898,178.70-121,347,268.05-46,801,973.90

Finding the Fourth Proportional to 80,898,178.70, 121,347,268.05 and 46,801,973.90

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Solution

The fourth proportional to 80,898,178.70, 121,347,268.05 and 46,801,973.90 is: 70,202,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,898,178.70 : 121,347,268.05 = 46,801,973.90 : x
  2. Step 2: Convert to fraction form
    80,898,178.70/121,347,268.05 = 46,801,973.90/x
  3. Step 3: Cross multiply
    80,898,178.70x = 121,347,268.05 × 46,801,973.90
  4. Step 4: Simplify right side
    80,898,178.70x = 5,679,291,672,112,404
  5. Step 5: Solve for x
    x = 5,679,291,672,112,404/80,898,178.70
  6. Step 6: Final answer
    x = 70,202,960.85

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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.