Home / 42,154,809.33-58,155,823.50-28,220,653.79

Finding the Fourth Proportional to 42,154,809.33, 58,155,823.50 and 28,220,653.79

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Solution

The fourth proportional to 42,154,809.33, 58,155,823.50 and 28,220,653.79 is: 38,932,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154,809.33 : 58,155,823.50 = 28,220,653.79 : x
  2. Step 2: Convert to fraction form
    42,154,809.33/58,155,823.50 = 28,220,653.79/x
  3. Step 3: Cross multiply
    42,154,809.33x = 58,155,823.50 × 28,220,653.79
  4. Step 4: Simplify right side
    42,154,809.33x = 1,641,195,361,081,787.25
  5. Step 5: Solve for x
    x = 1,641,195,361,081,787.25/42,154,809.33
  6. Step 6: Final answer
    x = 38,932,577.03

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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.