Home / 101,506,561-140,060,990.82-57,453,343.72

Finding the Fourth Proportional to 101,506,561, 140,060,990.82 and 57,453,343.72

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Solution

The fourth proportional to 101,506,561, 140,060,990.82 and 57,453,343.72 is: 79,275,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,506,561 : 140,060,990.82 = 57,453,343.72 : x
  2. Step 2: Convert to fraction form
    101,506,561/140,060,990.82 = 57,453,343.72/x
  3. Step 3: Cross multiply
    101,506,561x = 140,060,990.82 × 57,453,343.72
  4. Step 4: Simplify right side
    101,506,561x = 8,046,972,247,345,224
  5. Step 5: Solve for x
    x = 8,046,972,247,345,224/101,506,561
  6. Step 6: Final answer
    x = 79,275,390.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.