Home / 105,255,316.47-145,244,962.98-61,199,189.73

Finding the Fourth Proportional to 105,255,316.47, 145,244,962.98 and 61,199,189.73

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Solution

The fourth proportional to 105,255,316.47, 145,244,962.98 and 61,199,189.73 is: 84,450,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255,316.47 : 145,244,962.98 = 61,199,189.73 : x
  2. Step 2: Convert to fraction form
    105,255,316.47/145,244,962.98 = 61,199,189.73/x
  3. Step 3: Cross multiply
    105,255,316.47x = 145,244,962.98 × 61,199,189.73
  4. Step 4: Simplify right side
    105,255,316.47x = 8,888,874,046,739,845
  5. Step 5: Solve for x
    x = 8,888,874,046,739,845/105,255,316.47
  6. Step 6: Final answer
    x = 84,450,594.47

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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.