Home / 66,160,527.92-91,288,149.48-38,653,141.52

Finding the Fourth Proportional to 66,160,527.92, 91,288,149.48 and 38,653,141.52

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Solution

The fourth proportional to 66,160,527.92, 91,288,149.48 and 38,653,141.52 is: 53,333,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,160,527.92 : 91,288,149.48 = 38,653,141.52 : x
  2. Step 2: Convert to fraction form
    66,160,527.92/91,288,149.48 = 38,653,141.52/x
  3. Step 3: Cross multiply
    66,160,527.92x = 91,288,149.48 × 38,653,141.52
  4. Step 4: Simplify right side
    66,160,527.92x = 3,528,573,760,949,355
  5. Step 5: Solve for x
    x = 3,528,573,760,949,355/66,160,527.92
  6. Step 6: Final answer
    x = 53,333,518.82

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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.