Home / 98,438,877.61-135,847,076.57-54,386,889.60

Finding the Fourth Proportional to 98,438,877.61, 135,847,076.57 and 54,386,889.60

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Solution

The fourth proportional to 98,438,877.61, 135,847,076.57 and 54,386,889.60 is: 75,054,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,438,877.61 : 135,847,076.57 = 54,386,889.60 : x
  2. Step 2: Convert to fraction form
    98,438,877.61/135,847,076.57 = 54,386,889.60/x
  3. Step 3: Cross multiply
    98,438,877.61x = 135,847,076.57 × 54,386,889.60
  4. Step 4: Simplify right side
    98,438,877.61x = 7,388,299,955,895,336
  5. Step 5: Solve for x
    x = 7,388,299,955,895,336/98,438,877.61
  6. Step 6: Final answer
    x = 75,054,695.21

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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.