Home / 280,182,806.29-420,231,108.27-93,440,030.09

Finding the Fourth Proportional to 280,182,806.29, 420,231,108.27 and 93,440,030.09

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Solution

The fourth proportional to 280,182,806.29, 420,231,108.27 and 93,440,030.09 is: 140,145,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,182,806.29 : 420,231,108.27 = 93,440,030.09 : x
  2. Step 2: Convert to fraction form
    280,182,806.29/420,231,108.27 = 93,440,030.09/x
  3. Step 3: Cross multiply
    280,182,806.29x = 420,231,108.27 × 93,440,030.09
  4. Step 4: Simplify right side
    280,182,806.29x = 39,266,407,399,401,688
  5. Step 5: Solve for x
    x = 39,266,407,399,401,688/280,182,806.29
  6. Step 6: Final answer
    x = 140,145,671.04

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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.