Home / 221,465,001.60-332,097,969.60-85,105,065.60

Finding the Fourth Proportional to 221,465,001.60, 332,097,969.60 and 85,105,065.60

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Solution

The fourth proportional to 221,465,001.60, 332,097,969.60 and 85,105,065.60 is: 127,619,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,465,001.60 : 332,097,969.60 = 85,105,065.60 : x
  2. Step 2: Convert to fraction form
    221,465,001.60/332,097,969.60 = 85,105,065.60/x
  3. Step 3: Cross multiply
    221,465,001.60x = 332,097,969.60 × 85,105,065.60
  4. Step 4: Simplify right side
    221,465,001.60x = 28,263,219,488,434,804
  5. Step 5: Solve for x
    x = 28,263,219,488,434,804/221,465,001.60
  6. Step 6: Final answer
    x = 127,619,349.71

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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.