Home / 66,522,036.90-99,783,300.48-20,463,586.86

Finding the Fourth Proportional to 66,522,036.90, 99,783,300.48 and 20,463,586.86

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Solution

The fourth proportional to 66,522,036.90, 99,783,300.48 and 20,463,586.86 is: 30,695,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522,036.90 : 99,783,300.48 = 20,463,586.86 : x
  2. Step 2: Convert to fraction form
    66,522,036.90/99,783,300.48 = 20,463,586.86/x
  3. Step 3: Cross multiply
    66,522,036.90x = 99,783,300.48 × 20,463,586.86
  4. Step 4: Simplify right side
    66,522,036.90x = 2,041,924,236,549,959.75
  5. Step 5: Solve for x
    x = 2,041,924,236,549,959.75/66,522,036.90
  6. Step 6: Final answer
    x = 30,695,455.70

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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.