Home / 195,610,012.80-293,415,019.20-138,214,384.80

Finding the Fourth Proportional to 195,610,012.80, 293,415,019.20 and 138,214,384.80

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Solution

The fourth proportional to 195,610,012.80, 293,415,019.20 and 138,214,384.80 is: 207,321,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,610,012.80 : 293,415,019.20 = 138,214,384.80 : x
  2. Step 2: Convert to fraction form
    195,610,012.80/293,415,019.20 = 138,214,384.80/x
  3. Step 3: Cross multiply
    195,610,012.80x = 293,415,019.20 × 138,214,384.80
  4. Step 4: Simplify right side
    195,610,012.80x = 40,554,176,369,808,192
  5. Step 5: Solve for x
    x = 40,554,176,369,808,192/195,610,012.80
  6. Step 6: Final answer
    x = 207,321,577.20

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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.