Home / 69,581,568.86-96,019,934.39-38,643,731.04

Finding the Fourth Proportional to 69,581,568.86, 96,019,934.39 and 38,643,731.04

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Solution

The fourth proportional to 69,581,568.86, 96,019,934.39 and 38,643,731.04 is: 53,326,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,568.86 : 96,019,934.39 = 38,643,731.04 : x
  2. Step 2: Convert to fraction form
    69,581,568.86/96,019,934.39 = 38,643,731.04/x
  3. Step 3: Cross multiply
    69,581,568.86x = 96,019,934.39 × 38,643,731.04
  4. Step 4: Simplify right side
    69,581,568.86x = 3,710,568,518,852,388
  5. Step 5: Solve for x
    x = 3,710,568,518,852,388/69,581,568.86
  6. Step 6: Final answer
    x = 53,326,887.85

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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.