Home / 42,525,130.80-63,787,696.20-40,285,642.80

Finding the Fourth Proportional to 42,525,130.80, 63,787,696.20 and 40,285,642.80

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Solution

The fourth proportional to 42,525,130.80, 63,787,696.20 and 40,285,642.80 is: 60,428,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,525,130.80 : 63,787,696.20 = 40,285,642.80 : x
  2. Step 2: Convert to fraction form
    42,525,130.80/63,787,696.20 = 40,285,642.80/x
  3. Step 3: Cross multiply
    42,525,130.80x = 63,787,696.20 × 40,285,642.80
  4. Step 4: Simplify right side
    42,525,130.80x = 2,569,728,344,148,117.50
  5. Step 5: Solve for x
    x = 2,569,728,344,148,117.50/42,525,130.80
  6. Step 6: Final answer
    x = 60,428,464.20

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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.