Home / 79,713,186.80-119,569,780.20-52,503,407.60

Finding the Fourth Proportional to 79,713,186.80, 119,569,780.20 and 52,503,407.60

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Solution

The fourth proportional to 79,713,186.80, 119,569,780.20 and 52,503,407.60 is: 78,755,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713,186.80 : 119,569,780.20 = 52,503,407.60 : x
  2. Step 2: Convert to fraction form
    79,713,186.80/119,569,780.20 = 52,503,407.60/x
  3. Step 3: Cross multiply
    79,713,186.80x = 119,569,780.20 × 52,503,407.60
  4. Step 4: Simplify right side
    79,713,186.80x = 6,277,820,906,483,010
  5. Step 5: Solve for x
    x = 6,277,820,906,483,010/79,713,186.80
  6. Step 6: Final answer
    x = 78,755,111.40

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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.