Home / 151,880,117.78-209,594,622.03-82,265,283.38

Finding the Fourth Proportional to 151,880,117.78, 209,594,622.03 and 82,265,283.38

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Solution

The fourth proportional to 151,880,117.78, 209,594,622.03 and 82,265,283.38 is: 113,526,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,880,117.78 : 209,594,622.03 = 82,265,283.38 : x
  2. Step 2: Convert to fraction form
    151,880,117.78/209,594,622.03 = 82,265,283.38/x
  3. Step 3: Cross multiply
    151,880,117.78x = 209,594,622.03 × 82,265,283.38
  4. Step 4: Simplify right side
    151,880,117.78x = 17,242,360,976,437,432
  5. Step 5: Solve for x
    x = 17,242,360,976,437,432/151,880,117.78
  6. Step 6: Final answer
    x = 113,526,123.29

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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.