Home / 88,138,349-121,502,729.80-61,594,290.80

Finding the Fourth Proportional to 88,138,349, 121,502,729.80 and 61,594,290.80

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Solution

The fourth proportional to 88,138,349, 121,502,729.80 and 61,594,290.80 is: 84,910,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,349 : 121,502,729.80 = 61,594,290.80 : x
  2. Step 2: Convert to fraction form
    88,138,349/121,502,729.80 = 61,594,290.80/x
  3. Step 3: Cross multiply
    88,138,349x = 121,502,729.80 × 61,594,290.80
  4. Step 4: Simplify right side
    88,138,349x = 7,483,874,472,295,025
  5. Step 5: Solve for x
    x = 7,483,874,472,295,025/88,138,349
  6. Step 6: Final answer
    x = 84,910,536.19

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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.