Home / 195,712,139.20-293,794,879.20-105,012,875.20

Finding the Fourth Proportional to 195,712,139.20, 293,794,879.20 and 105,012,875.20

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Solution

The fourth proportional to 195,712,139.20, 293,794,879.20 and 105,012,875.20 is: 157,640,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,712,139.20 : 293,794,879.20 = 105,012,875.20 : x
  2. Step 2: Convert to fraction form
    195,712,139.20/293,794,879.20 = 105,012,875.20/x
  3. Step 3: Cross multiply
    195,712,139.20x = 293,794,879.20 × 105,012,875.20
  4. Step 4: Simplify right side
    195,712,139.20x = 30,852,244,983,828,676
  5. Step 5: Solve for x
    x = 30,852,244,983,828,676/195,712,139.20
  6. Step 6: Final answer
    x = 157,640,936.89

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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.