Home / 80,879,423.40-121,319,135.10-35,529,791.40

Finding the Fourth Proportional to 80,879,423.40, 121,319,135.10 and 35,529,791.40

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Solution

The fourth proportional to 80,879,423.40, 121,319,135.10 and 35,529,791.40 is: 53,294,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,423.40 : 121,319,135.10 = 35,529,791.40 : x
  2. Step 2: Convert to fraction form
    80,879,423.40/121,319,135.10 = 35,529,791.40/x
  3. Step 3: Cross multiply
    80,879,423.40x = 121,319,135.10 × 35,529,791.40
  4. Step 4: Simplify right side
    80,879,423.40x = 4,310,443,562,931,417.50
  5. Step 5: Solve for x
    x = 4,310,443,562,931,417.50/80,879,423.40
  6. Step 6: Final answer
    x = 53,294,687.10

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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.