Home / 66,442,941.60-99,557,103.60-37,603,312.80

Finding the Fourth Proportional to 66,442,941.60, 99,557,103.60 and 37,603,312.80

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Solution

The fourth proportional to 66,442,941.60, 99,557,103.60 and 37,603,312.80 is: 56,344,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442,941.60 : 99,557,103.60 = 37,603,312.80 : x
  2. Step 2: Convert to fraction form
    66,442,941.60/99,557,103.60 = 37,603,312.80/x
  3. Step 3: Cross multiply
    66,442,941.60x = 99,557,103.60 × 37,603,312.80
  4. Step 4: Simplify right side
    66,442,941.60x = 3,743,676,908,132,805.50
  5. Step 5: Solve for x
    x = 3,743,676,908,132,805.50/66,442,941.60
  6. Step 6: Final answer
    x = 56,344,237.90

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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.