Home / 139,715,374.90-209,573,062.35-48,829,486.90

Finding the Fourth Proportional to 139,715,374.90, 209,573,062.35 and 48,829,486.90

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Solution

The fourth proportional to 139,715,374.90, 209,573,062.35 and 48,829,486.90 is: 73,244,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,715,374.90 : 209,573,062.35 = 48,829,486.90 : x
  2. Step 2: Convert to fraction form
    139,715,374.90/209,573,062.35 = 48,829,486.90/x
  3. Step 3: Cross multiply
    139,715,374.90x = 209,573,062.35 × 48,829,486.90
  4. Step 4: Simplify right side
    139,715,374.90x = 10,233,345,102,612,208
  5. Step 5: Solve for x
    x = 10,233,345,102,612,208/139,715,374.90
  6. Step 6: Final answer
    x = 73,244,230.35

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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.