Home / 157,876,589.69-217,845,489.93-90,882,597.98

Finding the Fourth Proportional to 157,876,589.69, 217,845,489.93 and 90,882,597.98

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Solution

The fourth proportional to 157,876,589.69, 217,845,489.93 and 90,882,597.98 is: 125,404,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,876,589.69 : 217,845,489.93 = 90,882,597.98 : x
  2. Step 2: Convert to fraction form
    157,876,589.69/217,845,489.93 = 90,882,597.98/x
  3. Step 3: Cross multiply
    157,876,589.69x = 217,845,489.93 × 90,882,597.98
  4. Step 4: Simplify right side
    157,876,589.69x = 19,798,364,083,064,328
  5. Step 5: Solve for x
    x = 19,798,364,083,064,328/157,876,589.69
  6. Step 6: Final answer
    x = 125,404,052.13

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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.