Home / 75,197,212.16-103,806,155.04-47,360,833.20

Finding the Fourth Proportional to 75,197,212.16, 103,806,155.04 and 47,360,833.20

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Solution

The fourth proportional to 75,197,212.16, 103,806,155.04 and 47,360,833.20 is: 65,379,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,197,212.16 : 103,806,155.04 = 47,360,833.20 : x
  2. Step 2: Convert to fraction form
    75,197,212.16/103,806,155.04 = 47,360,833.20/x
  3. Step 3: Cross multiply
    75,197,212.16x = 103,806,155.04 × 47,360,833.20
  4. Step 4: Simplify right side
    75,197,212.16x = 4,916,345,993,982,780
  5. Step 5: Solve for x
    x = 4,916,345,993,982,780/75,197,212.16
  6. Step 6: Final answer
    x = 65,379,365.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.