Home / 140,105,353.32-210,158,034.84-102,009,300.48

Finding the Fourth Proportional to 140,105,353.32, 210,158,034.84 and 102,009,300.48

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Solution

The fourth proportional to 140,105,353.32, 210,158,034.84 and 102,009,300.48 is: 153,013,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,105,353.32 : 210,158,034.84 = 102,009,300.48 : x
  2. Step 2: Convert to fraction form
    140,105,353.32/210,158,034.84 = 102,009,300.48/x
  3. Step 3: Cross multiply
    140,105,353.32x = 210,158,034.84 × 102,009,300.48
  4. Step 4: Simplify right side
    140,105,353.32x = 21,438,074,124,279,868
  5. Step 5: Solve for x
    x = 21,438,074,124,279,868/140,105,353.32
  6. Step 6: Final answer
    x = 153,013,954.26

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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.