Home / 107,298,806.40-160,948,209.60-39,143,721.60

Finding the Fourth Proportional to 107,298,806.40, 160,948,209.60 and 39,143,721.60

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Solution

The fourth proportional to 107,298,806.40, 160,948,209.60 and 39,143,721.60 is: 58,715,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,298,806.40 : 160,948,209.60 = 39,143,721.60 : x
  2. Step 2: Convert to fraction form
    107,298,806.40/160,948,209.60 = 39,143,721.60/x
  3. Step 3: Cross multiply
    107,298,806.40x = 160,948,209.60 × 39,143,721.60
  4. Step 4: Simplify right side
    107,298,806.40x = 6,300,111,908,600,847
  5. Step 5: Solve for x
    x = 6,300,111,908,600,847/107,298,806.40
  6. Step 6: Final answer
    x = 58,715,582.40

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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.