Home / 117,100,825.66-161,600,089.40-64,890,732.61

Finding the Fourth Proportional to 117,100,825.66, 161,600,089.40 and 64,890,732.61

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Solution

The fourth proportional to 117,100,825.66, 161,600,089.40 and 64,890,732.61 is: 89,549,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100,825.66 : 161,600,089.40 = 64,890,732.61 : x
  2. Step 2: Convert to fraction form
    117,100,825.66/161,600,089.40 = 64,890,732.61/x
  3. Step 3: Cross multiply
    117,100,825.66x = 161,600,089.40 × 64,890,732.61
  4. Step 4: Simplify right side
    117,100,825.66x = 10,486,348,191,007,496
  5. Step 5: Solve for x
    x = 10,486,348,191,007,496/117,100,825.66
  6. Step 6: Final answer
    x = 89,549,737.43

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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.