Home / 195,712,886.20-293,795,999.70-105,013,622.20

Finding the Fourth Proportional to 195,712,886.20, 293,795,999.70 and 105,013,622.20

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Solution

The fourth proportional to 195,712,886.20, 293,795,999.70 and 105,013,622.20 is: 157,642,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,712,886.20 : 293,795,999.70 = 105,013,622.20 : x
  2. Step 2: Convert to fraction form
    195,712,886.20/293,795,999.70 = 105,013,622.20/x
  3. Step 3: Cross multiply
    195,712,886.20x = 293,795,999.70 × 105,013,622.20
  4. Step 4: Simplify right side
    195,712,886.20x = 30,852,582,116,367,112
  5. Step 5: Solve for x
    x = 30,852,582,116,367,112/195,712,886.20
  6. Step 6: Final answer
    x = 157,642,057.79

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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.