Home / 42,154,810.58-58,155,825.23-28,220,655.04

Finding the Fourth Proportional to 42,154,810.58, 58,155,825.23 and 28,220,655.04

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Solution

The fourth proportional to 42,154,810.58, 58,155,825.23 and 28,220,655.04 is: 38,932,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154,810.58 : 58,155,825.23 = 28,220,655.04 : x
  2. Step 2: Convert to fraction form
    42,154,810.58/58,155,825.23 = 28,220,655.04/x
  3. Step 3: Cross multiply
    42,154,810.58x = 58,155,825.23 × 28,220,655.04
  4. Step 4: Simplify right side
    42,154,810.58x = 1,641,195,482,382,358.50
  5. Step 5: Solve for x
    x = 1,641,195,482,382,358.50/42,154,810.58
  6. Step 6: Final answer
    x = 38,932,578.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.