Home / 153,203,005.25-211,485,382.88-102,996,341.88

Finding the Fourth Proportional to 153,203,005.25, 211,485,382.88 and 102,996,341.88

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Solution

The fourth proportional to 153,203,005.25, 211,485,382.88 and 102,996,341.88 is: 142,178,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,203,005.25 : 211,485,382.88 = 102,996,341.88 : x
  2. Step 2: Convert to fraction form
    153,203,005.25/211,485,382.88 = 102,996,341.88/x
  3. Step 3: Cross multiply
    153,203,005.25x = 211,485,382.88 × 102,996,341.88
  4. Step 4: Simplify right side
    153,203,005.25x = 21,782,220,797,216,196
  5. Step 5: Solve for x
    x = 21,782,220,797,216,196/153,203,005.25
  6. Step 6: Final answer
    x = 142,178,808.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.