Home / 136,062,905.46-187,782,750.28-77,334,398.53

Finding the Fourth Proportional to 136,062,905.46, 187,782,750.28 and 77,334,398.53

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Solution

The fourth proportional to 136,062,905.46, 187,782,750.28 and 77,334,398.53 is: 106,730,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062,905.46 : 187,782,750.28 = 77,334,398.53 : x
  2. Step 2: Convert to fraction form
    136,062,905.46/187,782,750.28 = 77,334,398.53/x
  3. Step 3: Cross multiply
    136,062,905.46x = 187,782,750.28 × 77,334,398.53
  4. Step 4: Simplify right side
    136,062,905.46x = 14,522,066,046,080,740
  5. Step 5: Solve for x
    x = 14,522,066,046,080,740/136,062,905.46
  6. Step 6: Final answer
    x = 106,730,530.24

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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.