Home / 84,940,819,259.26-127,428,013,280.04-31,158,454,175.68

Finding the Fourth Proportional to 84,940,819,259.26, 127,428,013,280.04 and 31,158,454,175.68

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Solution

The fourth proportional to 84,940,819,259.26, 127,428,013,280.04 and 31,158,454,175.68 is: 46,743,838,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,940,819,259.26 : 127,428,013,280.04 = 31,158,454,175.68 : x
  2. Step 2: Convert to fraction form
    84,940,819,259.26/127,428,013,280.04 = 31,158,454,175.68/x
  3. Step 3: Cross multiply
    84,940,819,259.26x = 127,428,013,280.04 × 31,158,454,175.68
  4. Step 4: Simplify right side
    84,940,819,259.26x = 3,970,459,912,484,068,786,176
  5. Step 5: Solve for x
    x = 3,970,459,912,484,068,786,176/84,940,819,259.26
  6. Step 6: Final answer
    x = 46,743,838,205.34

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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.