Home / 294,428,848.30-441,647,851.18-87,188,220.43

Finding the Fourth Proportional to 294,428,848.30, 441,647,851.18 and 87,188,220.43

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Solution

The fourth proportional to 294,428,848.30, 441,647,851.18 and 87,188,220.43 is: 130,783,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,428,848.30 : 441,647,851.18 = 87,188,220.43 : x
  2. Step 2: Convert to fraction form
    294,428,848.30/441,647,851.18 = 87,188,220.43/x
  3. Step 3: Cross multiply
    294,428,848.30x = 441,647,851.18 × 87,188,220.43
  4. Step 4: Simplify right side
    294,428,848.30x = 38,506,490,200,899,712
  5. Step 5: Solve for x
    x = 38,506,490,200,899,712/294,428,848.30
  6. Step 6: Final answer
    x = 130,783,686.53

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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.