Home / 100,404,950.40-150,607,425.60-69,793,948.80

Finding the Fourth Proportional to 100,404,950.40, 150,607,425.60 and 69,793,948.80

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Solution

The fourth proportional to 100,404,950.40, 150,607,425.60 and 69,793,948.80 is: 104,690,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404,950.40 : 150,607,425.60 = 69,793,948.80 : x
  2. Step 2: Convert to fraction form
    100,404,950.40/150,607,425.60 = 69,793,948.80/x
  3. Step 3: Cross multiply
    100,404,950.40x = 150,607,425.60 × 69,793,948.80
  4. Step 4: Simplify right side
    100,404,950.40x = 10,511,486,951,226,208
  5. Step 5: Solve for x
    x = 10,511,486,951,226,208/100,404,950.40
  6. Step 6: Final answer
    x = 104,690,923.20

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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.