Home / 42,085,114.80-63,127,672.20-40,825,402.80

Finding the Fourth Proportional to 42,085,114.80, 63,127,672.20 and 40,825,402.80

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Solution

The fourth proportional to 42,085,114.80, 63,127,672.20 and 40,825,402.80 is: 61,238,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085,114.80 : 63,127,672.20 = 40,825,402.80 : x
  2. Step 2: Convert to fraction form
    42,085,114.80/63,127,672.20 = 40,825,402.80/x
  3. Step 3: Cross multiply
    42,085,114.80x = 63,127,672.20 × 40,825,402.80
  4. Step 4: Simplify right side
    42,085,114.80x = 2,577,212,645,391,362
  5. Step 5: Solve for x
    x = 2,577,212,645,391,362/42,085,114.80
  6. Step 6: Final answer
    x = 61,238,104.20

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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.