Home / 221,478,476.70-332,217,715.05-118,166,346.30

Finding the Fourth Proportional to 221,478,476.70, 332,217,715.05 and 118,166,346.30

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Solution

The fourth proportional to 221,478,476.70, 332,217,715.05 and 118,166,346.30 is: 177,249,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,478,476.70 : 332,217,715.05 = 118,166,346.30 : x
  2. Step 2: Convert to fraction form
    221,478,476.70/332,217,715.05 = 118,166,346.30/x
  3. Step 3: Cross multiply
    221,478,476.70x = 332,217,715.05 × 118,166,346.30
  4. Step 4: Simplify right side
    221,478,476.70x = 39,256,953,563,593,024
  5. Step 5: Solve for x
    x = 39,256,953,563,593,024/221,478,476.70
  6. Step 6: Final answer
    x = 177,249,519.45

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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.