Home / 139,339,719.60-209,009,579.40-93,423,217.20

Finding the Fourth Proportional to 139,339,719.60, 209,009,579.40 and 93,423,217.20

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Solution

The fourth proportional to 139,339,719.60, 209,009,579.40 and 93,423,217.20 is: 140,134,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,339,719.60 : 209,009,579.40 = 93,423,217.20 : x
  2. Step 2: Convert to fraction form
    139,339,719.60/209,009,579.40 = 93,423,217.20/x
  3. Step 3: Cross multiply
    139,339,719.60x = 209,009,579.40 × 93,423,217.20
  4. Step 4: Simplify right side
    139,339,719.60x = 19,526,347,333,166,848
  5. Step 5: Solve for x
    x = 19,526,347,333,166,848/139,339,719.60
  6. Step 6: Final answer
    x = 140,134,825.80

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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.