Home / 105,557,188.73-145,661,572.25-58,513,809.98

Finding the Fourth Proportional to 105,557,188.73, 145,661,572.25 and 58,513,809.98

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Solution

The fourth proportional to 105,557,188.73, 145,661,572.25 and 58,513,809.98 is: 80,744,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,557,188.73 : 145,661,572.25 = 58,513,809.98 : x
  2. Step 2: Convert to fraction form
    105,557,188.73/145,661,572.25 = 58,513,809.98/x
  3. Step 3: Cross multiply
    105,557,188.73x = 145,661,572.25 × 58,513,809.98
  4. Step 4: Simplify right side
    105,557,188.73x = 8,523,213,560,024,541
  5. Step 5: Solve for x
    x = 8,523,213,560,024,541/105,557,188.73
  6. Step 6: Final answer
    x = 80,744,984.43

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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.