Home / 139,404,230.60-209,106,345.90-93,487,728.20

Finding the Fourth Proportional to 139,404,230.60, 209,106,345.90 and 93,487,728.20

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Solution

The fourth proportional to 139,404,230.60, 209,106,345.90 and 93,487,728.20 is: 140,231,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,404,230.60 : 209,106,345.90 = 93,487,728.20 : x
  2. Step 2: Convert to fraction form
    139,404,230.60/209,106,345.90 = 93,487,728.20/x
  3. Step 3: Cross multiply
    139,404,230.60x = 209,106,345.90 × 93,487,728.20
  4. Step 4: Simplify right side
    139,404,230.60x = 19,548,877,230,394,384
  5. Step 5: Solve for x
    x = 19,548,877,230,394,384/139,404,230.60
  6. Step 6: Final answer
    x = 140,231,592.30

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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.