Home / 103,632,378.60-155,448,567.90-31,819,463.40

Finding the Fourth Proportional to 103,632,378.60, 155,448,567.90 and 31,819,463.40

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Solution

The fourth proportional to 103,632,378.60, 155,448,567.90 and 31,819,463.40 is: 47,729,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632,378.60 : 155,448,567.90 = 31,819,463.40 : x
  2. Step 2: Convert to fraction form
    103,632,378.60/155,448,567.90 = 31,819,463.40/x
  3. Step 3: Cross multiply
    103,632,378.60x = 155,448,567.90 × 31,819,463.40
  4. Step 4: Simplify right side
    103,632,378.60x = 4,946,290,016,876,465
  5. Step 5: Solve for x
    x = 4,946,290,016,876,465/103,632,378.60
  6. Step 6: Final answer
    x = 47,729,195.10

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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.