Home / 66,430,713.78-91,674,442.10-37,062,050.90

Finding the Fourth Proportional to 66,430,713.78, 91,674,442.10 and 37,062,050.90

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Solution

The fourth proportional to 66,430,713.78, 91,674,442.10 and 37,062,050.90 is: 51,145,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,713.78 : 91,674,442.10 = 37,062,050.90 : x
  2. Step 2: Convert to fraction form
    66,430,713.78/91,674,442.10 = 37,062,050.90/x
  3. Step 3: Cross multiply
    66,430,713.78x = 91,674,442.10 × 37,062,050.90
  4. Step 4: Simplify right side
    66,430,713.78x = 3,397,642,838,695,620.50
  5. Step 5: Solve for x
    x = 3,397,642,838,695,620.50/66,430,713.78
  6. Step 6: Final answer
    x = 51,145,662.08

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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.