Home / 170,348,005.04-255,419,855.28-78,116,201.28

Finding the Fourth Proportional to 170,348,005.04, 255,419,855.28 and 78,116,201.28

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Solution

The fourth proportional to 170,348,005.04, 255,419,855.28 and 78,116,201.28 is: 117,127,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,348,005.04 : 255,419,855.28 = 78,116,201.28 : x
  2. Step 2: Convert to fraction form
    170,348,005.04/255,419,855.28 = 78,116,201.28/x
  3. Step 3: Cross multiply
    170,348,005.04x = 255,419,855.28 × 78,116,201.28
  4. Step 4: Simplify right side
    170,348,005.04x = 19,952,428,825,960,952
  5. Step 5: Solve for x
    x = 19,952,428,825,960,952/170,348,005.04
  6. Step 6: Final answer
    x = 117,127,458.12

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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.