Home / 240,535,658.40-331,939,208.62-130,527,371.40

Finding the Fourth Proportional to 240,535,658.40, 331,939,208.62 and 130,527,371.40

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Solution

The fourth proportional to 240,535,658.40, 331,939,208.62 and 130,527,371.40 is: 180,127,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,535,658.40 : 331,939,208.62 = 130,527,371.40 : x
  2. Step 2: Convert to fraction form
    240,535,658.40/331,939,208.62 = 130,527,371.40/x
  3. Step 3: Cross multiply
    240,535,658.40x = 331,939,208.62 × 130,527,371.40
  4. Step 4: Simplify right side
    240,535,658.40x = 43,327,152,365,764,824
  5. Step 5: Solve for x
    x = 43,327,152,365,764,824/240,535,658.40
  6. Step 6: Final answer
    x = 180,127,772.55

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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.