Home / 252,743,581.28-379,130,068.80-71,004,931.04

Finding the Fourth Proportional to 252,743,581.28, 379,130,068.80 and 71,004,931.04

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Solution

The fourth proportional to 252,743,581.28, 379,130,068.80 and 71,004,931.04 is: 106,511,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,743,581.28 : 379,130,068.80 = 71,004,931.04 : x
  2. Step 2: Convert to fraction form
    252,743,581.28/379,130,068.80 = 71,004,931.04/x
  3. Step 3: Cross multiply
    252,743,581.28x = 379,130,068.80 × 71,004,931.04
  4. Step 4: Simplify right side
    252,743,581.28x = 26,920,104,390,334,460
  5. Step 5: Solve for x
    x = 26,920,104,390,334,460/252,743,581.28
  6. Step 6: Final answer
    x = 106,511,525.45

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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.