Home / 124,192,576.07-171,386,888.40-68,439,996.88

Finding the Fourth Proportional to 124,192,576.07, 171,386,888.40 and 68,439,996.88

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Solution

The fourth proportional to 124,192,576.07, 171,386,888.40 and 68,439,996.88 is: 94,447,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,192,576.07 : 171,386,888.40 = 68,439,996.88 : x
  2. Step 2: Convert to fraction form
    124,192,576.07/171,386,888.40 = 68,439,996.88/x
  3. Step 3: Cross multiply
    124,192,576.07x = 171,386,888.40 × 68,439,996.88
  4. Step 4: Simplify right side
    124,192,576.07x = 11,729,718,106,683,074
  5. Step 5: Solve for x
    x = 11,729,718,106,683,074/124,192,576.07
  6. Step 6: Final answer
    x = 94,447,820.30

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1.5x scale

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.