Home / 79,488,002.80-119,232,004.20-55,175,561.20

Finding the Fourth Proportional to 79,488,002.80, 119,232,004.20 and 55,175,561.20

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Solution

The fourth proportional to 79,488,002.80, 119,232,004.20 and 55,175,561.20 is: 82,763,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,002.80 : 119,232,004.20 = 55,175,561.20 : x
  2. Step 2: Convert to fraction form
    79,488,002.80/119,232,004.20 = 55,175,561.20/x
  3. Step 3: Cross multiply
    79,488,002.80x = 119,232,004.20 × 55,175,561.20
  4. Step 4: Simplify right side
    79,488,002.80x = 6,578,692,744,735,758
  5. Step 5: Solve for x
    x = 6,578,692,744,735,758/79,488,002.80
  6. Step 6: Final answer
    x = 82,763,341.80

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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.