Home / 326,650,103.70-489,975,155.55-144,897,281.70

Finding the Fourth Proportional to 326,650,103.70, 489,975,155.55 and 144,897,281.70

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Solution

The fourth proportional to 326,650,103.70, 489,975,155.55 and 144,897,281.70 is: 217,345,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,650,103.70 : 489,975,155.55 = 144,897,281.70 : x
  2. Step 2: Convert to fraction form
    326,650,103.70/489,975,155.55 = 144,897,281.70/x
  3. Step 3: Cross multiply
    326,650,103.70x = 489,975,155.55 × 144,897,281.70
  4. Step 4: Simplify right side
    326,650,103.70x = 70,996,068,139,729,664
  5. Step 5: Solve for x
    x = 70,996,068,139,729,664/326,650,103.70
  6. Step 6: Final answer
    x = 217,345,922.55

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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.