Home / 148,030,711.92-204,303,761.28-85,294,799.28

Finding the Fourth Proportional to 148,030,711.92, 204,303,761.28 and 85,294,799.28

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Solution

The fourth proportional to 148,030,711.92, 204,303,761.28 and 85,294,799.28 is: 117,719,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,030,711.92 : 204,303,761.28 = 85,294,799.28 : x
  2. Step 2: Convert to fraction form
    148,030,711.92/204,303,761.28 = 85,294,799.28/x
  3. Step 3: Cross multiply
    148,030,711.92x = 204,303,761.28 × 85,294,799.28
  4. Step 4: Simplify right side
    148,030,711.92x = 17,426,048,310,526,636
  5. Step 5: Solve for x
    x = 17,426,048,310,526,636/148,030,711.92
  6. Step 6: Final answer
    x = 117,719,141.42

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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.