Home / 252,787,430.55-379,073,477.37-99,325,839.81

Finding the Fourth Proportional to 252,787,430.55, 379,073,477.37 and 99,325,839.81

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Solution

The fourth proportional to 252,787,430.55, 379,073,477.37 and 99,325,839.81 is: 148,946,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,787,430.55 : 379,073,477.37 = 99,325,839.81 : x
  2. Step 2: Convert to fraction form
    252,787,430.55/379,073,477.37 = 99,325,839.81/x
  3. Step 3: Cross multiply
    252,787,430.55x = 379,073,477.37 × 99,325,839.81
  4. Step 4: Simplify right side
    252,787,430.55x = 37,651,791,489,472,280
  5. Step 5: Solve for x
    x = 37,651,791,489,472,280/252,787,430.55
  6. Step 6: Final answer
    x = 148,946,454.37

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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.