Home / 77,262,723,892.40-115,894,085,838.60-38,080,641,844.40

Finding the Fourth Proportional to 77,262,723,892.40, 115,894,085,838.60 and 38,080,641,844.40

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Solution

The fourth proportional to 77,262,723,892.40, 115,894,085,838.60 and 38,080,641,844.40 is: 57,120,962,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,723,892.40 : 115,894,085,838.60 = 38,080,641,844.40 : x
  2. Step 2: Convert to fraction form
    77,262,723,892.40/115,894,085,838.60 = 38,080,641,844.40/x
  3. Step 3: Cross multiply
    77,262,723,892.40x = 115,894,085,838.60 × 38,080,641,844.40
  4. Step 4: Simplify right side
    77,262,723,892.40x = 4,413,321,174,703,876,866,048
  5. Step 5: Solve for x
    x = 4,413,321,174,703,876,866,048/77,262,723,892.40
  6. Step 6: Final answer
    x = 57,120,962,766.60

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Double scale
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1.5x scale

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.