Home / 71,787,742.80-107,681,614.20-26,343,632.40

Finding the Fourth Proportional to 71,787,742.80, 107,681,614.20 and 26,343,632.40

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Solution

The fourth proportional to 71,787,742.80, 107,681,614.20 and 26,343,632.40 is: 39,515,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787,742.80 : 107,681,614.20 = 26,343,632.40 : x
  2. Step 2: Convert to fraction form
    71,787,742.80/107,681,614.20 = 26,343,632.40/x
  3. Step 3: Cross multiply
    71,787,742.80x = 107,681,614.20 × 26,343,632.40
  4. Step 4: Simplify right side
    71,787,742.80x = 2,836,724,860,723,420
  5. Step 5: Solve for x
    x = 2,836,724,860,723,420/71,787,742.80
  6. Step 6: Final answer
    x = 39,515,448.60

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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.