Home / 105,062,506.47-157,655,170.86-75,887,576.55

Finding the Fourth Proportional to 105,062,506.47, 157,655,170.86 and 75,887,576.55

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Solution

The fourth proportional to 105,062,506.47, 157,655,170.86 and 75,887,576.55 is: 113,875,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062,506.47 : 157,655,170.86 = 75,887,576.55 : x
  2. Step 2: Convert to fraction form
    105,062,506.47/157,655,170.86 = 75,887,576.55/x
  3. Step 3: Cross multiply
    105,062,506.47x = 157,655,170.86 × 75,887,576.55
  4. Step 4: Simplify right side
    105,062,506.47x = 11,964,068,847,141,580
  5. Step 5: Solve for x
    x = 11,964,068,847,141,580/105,062,506.47
  6. Step 6: Final answer
    x = 113,875,722.64

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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.