Home / 140,105,382.04-210,158,077.92-102,009,329.20

Finding the Fourth Proportional to 140,105,382.04, 210,158,077.92 and 102,009,329.20

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Solution

The fourth proportional to 140,105,382.04, 210,158,077.92 and 102,009,329.20 is: 153,013,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,105,382.04 : 210,158,077.92 = 102,009,329.20 : x
  2. Step 2: Convert to fraction form
    140,105,382.04/210,158,077.92 = 102,009,329.20/x
  3. Step 3: Cross multiply
    140,105,382.04x = 210,158,077.92 × 102,009,329.20
  4. Step 4: Simplify right side
    140,105,382.04x = 21,438,084,554,580,532
  5. Step 5: Solve for x
    x = 21,438,084,554,580,532/140,105,382.04
  6. Step 6: Final answer
    x = 153,013,997.34

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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.