Home / 71,662,512.25-98,893,322.53-40,300,551.92

Finding the Fourth Proportional to 71,662,512.25, 98,893,322.53 and 40,300,551.92

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Solution

The fourth proportional to 71,662,512.25, 98,893,322.53 and 40,300,551.92 is: 55,614,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,662,512.25 : 98,893,322.53 = 40,300,551.92 : x
  2. Step 2: Convert to fraction form
    71,662,512.25/98,893,322.53 = 40,300,551.92/x
  3. Step 3: Cross multiply
    71,662,512.25x = 98,893,322.53 × 40,300,551.92
  4. Step 4: Simplify right side
    71,662,512.25x = 3,985,455,478,669,612.50
  5. Step 5: Solve for x
    x = 3,985,455,478,669,612.50/71,662,512.25
  6. Step 6: Final answer
    x = 55,614,230.56

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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.