Home / 240,472,169.79-331,850,208.47-130,461,520.83

Finding the Fourth Proportional to 240,472,169.79, 331,850,208.47 and 130,461,520.83

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Solution

The fourth proportional to 240,472,169.79, 331,850,208.47 and 130,461,520.83 is: 180,036,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,472,169.79 : 331,850,208.47 = 130,461,520.83 : x
  2. Step 2: Convert to fraction form
    240,472,169.79/331,850,208.47 = 130,461,520.83/x
  3. Step 3: Cross multiply
    240,472,169.79x = 331,850,208.47 × 130,461,520.83
  4. Step 4: Simplify right side
    240,472,169.79x = 43,293,682,884,096,432
  5. Step 5: Solve for x
    x = 43,293,682,884,096,432/240,472,169.79
  6. Step 6: Final answer
    x = 180,036,146.89

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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.