Home / 83,487,619.72-115,199,922.29-47,723,549.93

Finding the Fourth Proportional to 83,487,619.72, 115,199,922.29 and 47,723,549.93

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Solution

The fourth proportional to 83,487,619.72, 115,199,922.29 and 47,723,549.93 is: 65,851,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487,619.72 : 115,199,922.29 = 47,723,549.93 : x
  2. Step 2: Convert to fraction form
    83,487,619.72/115,199,922.29 = 47,723,549.93/x
  3. Step 3: Cross multiply
    83,487,619.72x = 115,199,922.29 × 47,723,549.93
  4. Step 4: Simplify right side
    83,487,619.72x = 5,497,749,242,524,317
  5. Step 5: Solve for x
    x = 5,497,749,242,524,317/83,487,619.72
  6. Step 6: Final answer
    x = 65,851,071.83

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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.