Home / 248,712,331.40-373,068,497.10-78,511,243.40

Finding the Fourth Proportional to 248,712,331.40, 373,068,497.10 and 78,511,243.40

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Solution

The fourth proportional to 248,712,331.40, 373,068,497.10 and 78,511,243.40 is: 117,766,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,712,331.40 : 373,068,497.10 = 78,511,243.40 : x
  2. Step 2: Convert to fraction form
    248,712,331.40/373,068,497.10 = 78,511,243.40/x
  3. Step 3: Cross multiply
    248,712,331.40x = 373,068,497.10 × 78,511,243.40
  4. Step 4: Simplify right side
    248,712,331.40x = 29,290,071,580,690,300
  5. Step 5: Solve for x
    x = 29,290,071,580,690,300/248,712,331.40
  6. Step 6: Final answer
    x = 117,766,865.10

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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.