Home / 61,987,076.40-92,994,065.47-18,855,158.76

Finding the Fourth Proportional to 61,987,076.40, 92,994,065.47 and 18,855,158.76

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Solution

The fourth proportional to 61,987,076.40, 92,994,065.47 and 18,855,158.76 is: 28,286,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987,076.40 : 92,994,065.47 = 18,855,158.76 : x
  2. Step 2: Convert to fraction form
    61,987,076.40/92,994,065.47 = 18,855,158.76/x
  3. Step 3: Cross multiply
    61,987,076.40x = 92,994,065.47 × 18,855,158.76
  4. Step 4: Simplify right side
    61,987,076.40x = 1,753,417,868,174,684.25
  5. Step 5: Solve for x
    x = 1,753,417,868,174,684.25/61,987,076.40
  6. Step 6: Final answer
    x = 28,286,829.61

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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.