Home / 278,202,028.60-417,303,042.90-96,388,780.60

Finding the Fourth Proportional to 278,202,028.60, 417,303,042.90 and 96,388,780.60

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Solution

The fourth proportional to 278,202,028.60, 417,303,042.90 and 96,388,780.60 is: 144,583,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,202,028.60 : 417,303,042.90 = 96,388,780.60 : x
  2. Step 2: Convert to fraction form
    278,202,028.60/417,303,042.90 = 96,388,780.60/x
  3. Step 3: Cross multiply
    278,202,028.60x = 417,303,042.90 × 96,388,780.60
  4. Step 4: Simplify right side
    278,202,028.60x = 40,223,331,445,800,480
  5. Step 5: Solve for x
    x = 40,223,331,445,800,480/278,202,028.60
  6. Step 6: Final answer
    x = 144,583,170.90

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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.