Home / 101,656,157.76-140,286,374.55-55,246,421.25

Finding the Fourth Proportional to 101,656,157.76, 140,286,374.55 and 55,246,421.25

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Solution

The fourth proportional to 101,656,157.76, 140,286,374.55 and 55,246,421.25 is: 76,240,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,656,157.76 : 140,286,374.55 = 55,246,421.25 : x
  2. Step 2: Convert to fraction form
    101,656,157.76/140,286,374.55 = 55,246,421.25/x
  3. Step 3: Cross multiply
    101,656,157.76x = 140,286,374.55 × 55,246,421.25
  4. Step 4: Simplify right side
    101,656,157.76x = 7,750,320,144,024,580
  5. Step 5: Solve for x
    x = 7,750,320,144,024,580/101,656,157.76
  6. Step 6: Final answer
    x = 76,240,537.86

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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.