Home / 52,974,132.60-79,402,149.90-20,615,280.60

Finding the Fourth Proportional to 52,974,132.60, 79,402,149.90 and 20,615,280.60

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Solution

The fourth proportional to 52,974,132.60, 79,402,149.90 and 20,615,280.60 is: 30,899,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,974,132.60 : 79,402,149.90 = 20,615,280.60 : x
  2. Step 2: Convert to fraction form
    52,974,132.60/79,402,149.90 = 20,615,280.60/x
  3. Step 3: Cross multiply
    52,974,132.60x = 79,402,149.90 × 20,615,280.60
  4. Step 4: Simplify right side
    52,974,132.60x = 1,636,897,600,431,762.25
  5. Step 5: Solve for x
    x = 1,636,897,600,431,762.25/52,974,132.60
  6. Step 6: Final answer
    x = 30,899,941.54

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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.