Home / 40,430,356.80-60,645,535.20-39,367,474.80

Finding the Fourth Proportional to 40,430,356.80, 60,645,535.20 and 39,367,474.80

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Solution

The fourth proportional to 40,430,356.80, 60,645,535.20 and 39,367,474.80 is: 59,051,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430,356.80 : 60,645,535.20 = 39,367,474.80 : x
  2. Step 2: Convert to fraction form
    40,430,356.80/60,645,535.20 = 39,367,474.80/x
  3. Step 3: Cross multiply
    40,430,356.80x = 60,645,535.20 × 39,367,474.80
  4. Step 4: Simplify right side
    40,430,356.80x = 2,387,461,578,718,513
  5. Step 5: Solve for x
    x = 2,387,461,578,718,513/40,430,356.80
  6. Step 6: Final answer
    x = 59,051,212.20

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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.