Home / 279,888,666.60-419,644,043.10-148,752,647.40

Finding the Fourth Proportional to 279,888,666.60, 419,644,043.10 and 148,752,647.40

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Solution

The fourth proportional to 279,888,666.60, 419,644,043.10 and 148,752,647.40 is: 223,028,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,888,666.60 : 419,644,043.10 = 148,752,647.40 : x
  2. Step 2: Convert to fraction form
    279,888,666.60/419,644,043.10 = 148,752,647.40/x
  3. Step 3: Cross multiply
    279,888,666.60x = 419,644,043.10 × 148,752,647.40
  4. Step 4: Simplify right side
    279,888,666.60x = 62,423,162,376,764,712
  5. Step 5: Solve for x
    x = 62,423,162,376,764,712/279,888,666.60
  6. Step 6: Final answer
    x = 223,028,546.08

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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.