Home / 45,981,711.80-68,972,567.70-40,806,006.20

Finding the Fourth Proportional to 45,981,711.80, 68,972,567.70 and 40,806,006.20

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Solution

The fourth proportional to 45,981,711.80, 68,972,567.70 and 40,806,006.20 is: 61,209,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981,711.80 : 68,972,567.70 = 40,806,006.20 : x
  2. Step 2: Convert to fraction form
    45,981,711.80/68,972,567.70 = 40,806,006.20/x
  3. Step 3: Cross multiply
    45,981,711.80x = 68,972,567.70 × 40,806,006.20
  4. Step 4: Simplify right side
    45,981,711.80x = 2,814,495,025,196,120
  5. Step 5: Solve for x
    x = 2,814,495,025,196,120/45,981,711.80
  6. Step 6: Final answer
    x = 61,209,009.30

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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.