Home / 124,547,856.50-171,876,035.40-67,261,544.34

Finding the Fourth Proportional to 124,547,856.50, 171,876,035.40 and 67,261,544.34

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Solution

The fourth proportional to 124,547,856.50, 171,876,035.40 and 67,261,544.34 is: 92,820,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547,856.50 : 171,876,035.40 = 67,261,544.34 : x
  2. Step 2: Convert to fraction form
    124,547,856.50/171,876,035.40 = 67,261,544.34/x
  3. Step 3: Cross multiply
    124,547,856.50x = 171,876,035.40 × 67,261,544.34
  4. Step 4: Simplify right side
    124,547,856.50x = 11,560,647,576,040,510
  5. Step 5: Solve for x
    x = 11,560,647,576,040,510/124,547,856.50
  6. Step 6: Final answer
    x = 92,820,927.64

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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.