Home / 78,857,988.24-118,298,189.52-24,275,114.40

Finding the Fourth Proportional to 78,857,988.24, 118,298,189.52 and 24,275,114.40

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Solution

The fourth proportional to 78,857,988.24, 118,298,189.52 and 24,275,114.40 is: 36,416,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,857,988.24 : 118,298,189.52 = 24,275,114.40 : x
  2. Step 2: Convert to fraction form
    78,857,988.24/118,298,189.52 = 24,275,114.40/x
  3. Step 3: Cross multiply
    78,857,988.24x = 118,298,189.52 × 24,275,114.40
  4. Step 4: Simplify right side
    78,857,988.24x = 2,871,702,083,910,881
  5. Step 5: Solve for x
    x = 2,871,702,083,910,881/78,857,988.24
  6. Step 6: Final answer
    x = 36,416,121.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.