Home / 79,018,795.47-118,569,062.28-57,337,924.80

Finding the Fourth Proportional to 79,018,795.47, 118,569,062.28 and 57,337,924.80

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Solution

The fourth proportional to 79,018,795.47, 118,569,062.28 and 57,337,924.80 is: 86,036,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,018,795.47 : 118,569,062.28 = 57,337,924.80 : x
  2. Step 2: Convert to fraction form
    79,018,795.47/118,569,062.28 = 57,337,924.80/x
  3. Step 3: Cross multiply
    79,018,795.47x = 118,569,062.28 × 57,337,924.80
  4. Step 4: Simplify right side
    79,018,795.47x = 6,798,503,976,617,156
  5. Step 5: Solve for x
    x = 6,798,503,976,617,156/79,018,795.47
  6. Step 6: Final answer
    x = 86,036,542.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.