Home / 101,472,575.40-139,995,552.15-57,419,105.40

Finding the Fourth Proportional to 101,472,575.40, 139,995,552.15 and 57,419,105.40

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Solution

The fourth proportional to 101,472,575.40, 139,995,552.15 and 57,419,105.40 is: 79,217,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472,575.40 : 139,995,552.15 = 57,419,105.40 : x
  2. Step 2: Convert to fraction form
    101,472,575.40/139,995,552.15 = 57,419,105.40/x
  3. Step 3: Cross multiply
    101,472,575.40x = 139,995,552.15 × 57,419,105.40
  4. Step 4: Simplify right side
    101,472,575.40x = 8,038,419,364,432,047
  5. Step 5: Solve for x
    x = 8,038,419,364,432,047/101,472,575.40
  6. Step 6: Final answer
    x = 79,217,653.96

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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.