Home / 178,017,029.80-266,898,018.30-68,748,677.80

Finding the Fourth Proportional to 178,017,029.80, 266,898,018.30 and 68,748,677.80

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Solution

The fourth proportional to 178,017,029.80, 266,898,018.30 and 68,748,677.80 is: 103,073,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,017,029.80 : 266,898,018.30 = 68,748,677.80 : x
  2. Step 2: Convert to fraction form
    178,017,029.80/266,898,018.30 = 68,748,677.80/x
  3. Step 3: Cross multiply
    178,017,029.80x = 266,898,018.30 × 68,748,677.80
  4. Step 4: Simplify right side
    178,017,029.80x = 18,348,885,865,565,204
  5. Step 5: Solve for x
    x = 18,348,885,865,565,204/178,017,029.80
  6. Step 6: Final answer
    x = 103,073,767.08

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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.