Home / 79,837,336.80-119,756,005.20-54,328,168.80

Finding the Fourth Proportional to 79,837,336.80, 119,756,005.20 and 54,328,168.80

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Solution

The fourth proportional to 79,837,336.80, 119,756,005.20 and 54,328,168.80 is: 81,492,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,837,336.80 : 119,756,005.20 = 54,328,168.80 : x
  2. Step 2: Convert to fraction form
    79,837,336.80/119,756,005.20 = 54,328,168.80/x
  3. Step 3: Cross multiply
    79,837,336.80x = 119,756,005.20 × 54,328,168.80
  4. Step 4: Simplify right side
    79,837,336.80x = 6,506,124,465,319,278
  5. Step 5: Solve for x
    x = 6,506,124,465,319,278/79,837,336.80
  6. Step 6: Final answer
    x = 81,492,253.20

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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.