Home / 65,937,515.44-90,981,739.75-38,050,051.90

Finding the Fourth Proportional to 65,937,515.44, 90,981,739.75 and 38,050,051.90

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Solution

The fourth proportional to 65,937,515.44, 90,981,739.75 and 38,050,051.90 is: 52,502,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937,515.44 : 90,981,739.75 = 38,050,051.90 : x
  2. Step 2: Convert to fraction form
    65,937,515.44/90,981,739.75 = 38,050,051.90/x
  3. Step 3: Cross multiply
    65,937,515.44x = 90,981,739.75 × 38,050,051.90
  4. Step 4: Simplify right side
    65,937,515.44x = 3,461,859,919,439,793
  5. Step 5: Solve for x
    x = 3,461,859,919,439,793/65,937,515.44
  6. Step 6: Final answer
    x = 52,502,128.66

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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.