Home / 187,490,296.56-258,738,678.72-103,859,708.16

Finding the Fourth Proportional to 187,490,296.56, 258,738,678.72 and 103,859,708.16

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Solution

The fourth proportional to 187,490,296.56, 258,738,678.72 and 103,859,708.16 is: 143,327,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,490,296.56 : 258,738,678.72 = 103,859,708.16 : x
  2. Step 2: Convert to fraction form
    187,490,296.56/258,738,678.72 = 103,859,708.16/x
  3. Step 3: Cross multiply
    187,490,296.56x = 258,738,678.72 × 103,859,708.16
  4. Step 4: Simplify right side
    187,490,296.56x = 26,872,523,661,563,200
  5. Step 5: Solve for x
    x = 26,872,523,661,563,200/187,490,296.56
  6. Step 6: Final answer
    x = 143,327,543.64

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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.