Home / 103,702,695.18-143,108,049.02-56,658,758.18

Finding the Fourth Proportional to 103,702,695.18, 143,108,049.02 and 56,658,758.18

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Solution

The fourth proportional to 103,702,695.18, 143,108,049.02 and 56,658,758.18 is: 78,188,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,702,695.18 : 143,108,049.02 = 56,658,758.18 : x
  2. Step 2: Convert to fraction form
    103,702,695.18/143,108,049.02 = 56,658,758.18/x
  3. Step 3: Cross multiply
    103,702,695.18x = 143,108,049.02 × 56,658,758.18
  4. Step 4: Simplify right side
    103,702,695.18x = 8,108,324,342,036,931
  5. Step 5: Solve for x
    x = 8,108,324,342,036,931/103,702,695.18
  6. Step 6: Final answer
    x = 78,188,173.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.