Home / 101,506,560-140,060,989.44-57,453,342.72

Finding the Fourth Proportional to 101,506,560, 140,060,989.44 and 57,453,342.72

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Solution

The fourth proportional to 101,506,560, 140,060,989.44 and 57,453,342.72 is: 79,275,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,506,560 : 140,060,989.44 = 57,453,342.72 : x
  2. Step 2: Convert to fraction form
    101,506,560/140,060,989.44 = 57,453,342.72/x
  3. Step 3: Cross multiply
    101,506,560x = 140,060,989.44 × 57,453,342.72
  4. Step 4: Simplify right side
    101,506,560x = 8,046,972,027,998,621
  5. Step 5: Solve for x
    x = 8,046,972,027,998,621/101,506,560
  6. Step 6: Final answer
    x = 79,275,388.98

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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.