Home / 280,182,808.80-420,231,112.02-93,440,032.59

Finding the Fourth Proportional to 280,182,808.80, 420,231,112.02 and 93,440,032.59

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Solution

The fourth proportional to 280,182,808.80, 420,231,112.02 and 93,440,032.59 is: 140,145,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,182,808.80 : 420,231,112.02 = 93,440,032.59 : x
  2. Step 2: Convert to fraction form
    280,182,808.80/420,231,112.02 = 93,440,032.59/x
  3. Step 3: Cross multiply
    280,182,808.80x = 420,231,112.02 × 93,440,032.59
  4. Step 4: Simplify right side
    280,182,808.80x = 39,266,408,802,480,744
  5. Step 5: Solve for x
    x = 39,266,408,802,480,744/280,182,808.80
  6. Step 6: Final answer
    x = 140,145,674.79

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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.