Home / 100,949,064.52-151,423,579.51-31,910,332.32

Finding the Fourth Proportional to 100,949,064.52, 151,423,579.51 and 31,910,332.32

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Solution

The fourth proportional to 100,949,064.52, 151,423,579.51 and 31,910,332.32 is: 47,865,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,949,064.52 : 151,423,579.51 = 31,910,332.32 : x
  2. Step 2: Convert to fraction form
    100,949,064.52/151,423,579.51 = 31,910,332.32/x
  3. Step 3: Cross multiply
    100,949,064.52x = 151,423,579.51 × 31,910,332.32
  4. Step 4: Simplify right side
    100,949,064.52x = 4,831,976,743,168,267
  5. Step 5: Solve for x
    x = 4,831,976,743,168,267/100,949,064.52
  6. Step 6: Final answer
    x = 47,865,493.02

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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.