Home / 72,594,045.89-100,179,797.75-39,554,295.02

Finding the Fourth Proportional to 72,594,045.89, 100,179,797.75 and 39,554,295.02

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Solution

The fourth proportional to 72,594,045.89, 100,179,797.75 and 39,554,295.02 is: 54,584,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594,045.89 : 100,179,797.75 = 39,554,295.02 : x
  2. Step 2: Convert to fraction form
    72,594,045.89/100,179,797.75 = 39,554,295.02/x
  3. Step 3: Cross multiply
    72,594,045.89x = 100,179,797.75 × 39,554,295.02
  4. Step 4: Simplify right side
    72,594,045.89x = 3,962,541,275,636,276
  5. Step 5: Solve for x
    x = 3,962,541,275,636,276/72,594,045.89
  6. Step 6: Final answer
    x = 54,584,934.99

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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.