Home / 66,307,407.09-90,841,471.82-63,822,223.50

Finding the Fourth Proportional to 66,307,407.09, 90,841,471.82 and 63,822,223.50

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Solution

The fourth proportional to 66,307,407.09, 90,841,471.82 and 63,822,223.50 is: 87,436,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307,407.09 : 90,841,471.82 = 63,822,223.50 : x
  2. Step 2: Convert to fraction form
    66,307,407.09/90,841,471.82 = 63,822,223.50/x
  3. Step 3: Cross multiply
    66,307,407.09x = 90,841,471.82 × 63,822,223.50
  4. Step 4: Simplify right side
    66,307,407.09x = 5,797,704,717,245,881
  5. Step 5: Solve for x
    x = 5,797,704,717,245,881/66,307,407.09
  6. Step 6: Final answer
    x = 87,436,758.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.