Home / 79,713,421.80-119,570,132.70-52,503,642.60

Finding the Fourth Proportional to 79,713,421.80, 119,570,132.70 and 52,503,642.60

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Solution

The fourth proportional to 79,713,421.80, 119,570,132.70 and 52,503,642.60 is: 78,755,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713,421.80 : 119,570,132.70 = 52,503,642.60 : x
  2. Step 2: Convert to fraction form
    79,713,421.80/119,570,132.70 = 52,503,642.60/x
  3. Step 3: Cross multiply
    79,713,421.80x = 119,570,132.70 × 52,503,642.60
  4. Step 4: Simplify right side
    79,713,421.80x = 6,277,867,512,915,373
  5. Step 5: Solve for x
    x = 6,277,867,512,915,373/79,713,421.80
  6. Step 6: Final answer
    x = 78,755,463.90

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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.