Home / 98,293,873.60-147,429,000.60-40,780,147.60

Finding the Fourth Proportional to 98,293,873.60, 147,429,000.60 and 40,780,147.60

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Solution

The fourth proportional to 98,293,873.60, 147,429,000.60 and 40,780,147.60 is: 61,165,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293,873.60 : 147,429,000.60 = 40,780,147.60 : x
  2. Step 2: Convert to fraction form
    98,293,873.60/147,429,000.60 = 40,780,147.60/x
  3. Step 3: Cross multiply
    98,293,873.60x = 147,429,000.60 × 40,780,147.60
  4. Step 4: Simplify right side
    98,293,873.60x = 6,012,176,404,988,489
  5. Step 5: Solve for x
    x = 6,012,176,404,988,489/98,293,873.60
  6. Step 6: Final answer
    x = 61,165,321.75

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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.