Home / 139,404,107.60-209,106,161.40-93,487,605.20

Finding the Fourth Proportional to 139,404,107.60, 209,106,161.40 and 93,487,605.20

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Solution

The fourth proportional to 139,404,107.60, 209,106,161.40 and 93,487,605.20 is: 140,231,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,404,107.60 : 209,106,161.40 = 93,487,605.20 : x
  2. Step 2: Convert to fraction form
    139,404,107.60/209,106,161.40 = 93,487,605.20/x
  3. Step 3: Cross multiply
    139,404,107.60x = 209,106,161.40 × 93,487,605.20
  4. Step 4: Simplify right side
    139,404,107.60x = 19,548,834,261,850,680
  5. Step 5: Solve for x
    x = 19,548,834,261,850,680/139,404,107.60
  6. Step 6: Final answer
    x = 140,231,407.80

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1.5x scale

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.