Home / 66,443,329.60-99,557,685.60-37,603,700.80

Finding the Fourth Proportional to 66,443,329.60, 99,557,685.60 and 37,603,700.80

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Solution

The fourth proportional to 66,443,329.60, 99,557,685.60 and 37,603,700.80 is: 56,344,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,329.60 : 99,557,685.60 = 37,603,700.80 : x
  2. Step 2: Convert to fraction form
    66,443,329.60/99,557,685.60 = 37,603,700.80/x
  3. Step 3: Cross multiply
    66,443,329.60x = 99,557,685.60 × 37,603,700.80
  4. Step 4: Simplify right side
    66,443,329.60x = 3,743,737,421,642,868
  5. Step 5: Solve for x
    x = 3,743,737,421,642,868/66,443,329.60
  6. Step 6: Final answer
    x = 56,344,819.63

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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.