Home / 221,205,342.40-331,808,013.60-83,030,682.40

Finding the Fourth Proportional to 221,205,342.40, 331,808,013.60 and 83,030,682.40

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Solution

The fourth proportional to 221,205,342.40, 331,808,013.60 and 83,030,682.40 is: 124,546,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,205,342.40 : 331,808,013.60 = 83,030,682.40 : x
  2. Step 2: Convert to fraction form
    221,205,342.40/331,808,013.60 = 83,030,682.40/x
  3. Step 3: Cross multiply
    221,205,342.40x = 331,808,013.60 × 83,030,682.40
  4. Step 4: Simplify right side
    221,205,342.40x = 27,550,245,794,996,484
  5. Step 5: Solve for x
    x = 27,550,245,794,996,484/221,205,342.40
  6. Step 6: Final answer
    x = 124,546,023.60

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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.