Home / 187,490,253.38-258,738,618.53-103,859,664.98

Finding the Fourth Proportional to 187,490,253.38, 258,738,618.53 and 103,859,664.98

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Solution

The fourth proportional to 187,490,253.38, 258,738,618.53 and 103,859,664.98 is: 143,327,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,490,253.38 : 258,738,618.53 = 103,859,664.98 : x
  2. Step 2: Convert to fraction form
    187,490,253.38/258,738,618.53 = 103,859,664.98/x
  3. Step 3: Cross multiply
    187,490,253.38x = 258,738,618.53 × 103,859,664.98
  4. Step 4: Simplify right side
    187,490,253.38x = 26,872,506,236,879,776
  5. Step 5: Solve for x
    x = 26,872,506,236,879,776/187,490,253.38
  6. Step 6: Final answer
    x = 143,327,483.71

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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.