Home / 66,443,566.85-91,678,427.64-38,180,479.24

Finding the Fourth Proportional to 66,443,566.85, 91,678,427.64 and 38,180,479.24

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Solution

The fourth proportional to 66,443,566.85, 91,678,427.64 and 38,180,479.24 is: 52,681,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,566.85 : 91,678,427.64 = 38,180,479.24 : x
  2. Step 2: Convert to fraction form
    66,443,566.85/91,678,427.64 = 38,180,479.24/x
  3. Step 3: Cross multiply
    66,443,566.85x = 91,678,427.64 × 38,180,479.24
  4. Step 4: Simplify right side
    66,443,566.85x = 3,500,326,303,379,460.50
  5. Step 5: Solve for x
    x = 3,500,326,303,379,460.50/66,443,566.85
  6. Step 6: Final answer
    x = 52,681,192.02

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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.