Home / 76,152,965.49-114,227,268.24-21,565,421.91

Finding the Fourth Proportional to 76,152,965.49, 114,227,268.24 and 21,565,421.91

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Solution

The fourth proportional to 76,152,965.49, 114,227,268.24 and 21,565,421.91 is: 32,347,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,152,965.49 : 114,227,268.24 = 21,565,421.91 : x
  2. Step 2: Convert to fraction form
    76,152,965.49/114,227,268.24 = 21,565,421.91/x
  3. Step 3: Cross multiply
    76,152,965.49x = 114,227,268.24 × 21,565,421.91
  4. Step 4: Simplify right side
    76,152,965.49x = 2,463,359,233,222,343
  5. Step 5: Solve for x
    x = 2,463,359,233,222,343/76,152,965.49
  6. Step 6: Final answer
    x = 32,347,515.52

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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.