Home / 186,526,806.80-279,790,210.20-65,342,512.40

Finding the Fourth Proportional to 186,526,806.80, 279,790,210.20 and 65,342,512.40

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Solution

The fourth proportional to 186,526,806.80, 279,790,210.20 and 65,342,512.40 is: 98,013,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,526,806.80 : 279,790,210.20 = 65,342,512.40 : x
  2. Step 2: Convert to fraction form
    186,526,806.80/279,790,210.20 = 65,342,512.40/x
  3. Step 3: Cross multiply
    186,526,806.80x = 279,790,210.20 × 65,342,512.40
  4. Step 4: Simplify right side
    186,526,806.80x = 18,282,195,279,392,104
  5. Step 5: Solve for x
    x = 18,282,195,279,392,104/186,526,806.80
  6. Step 6: Final answer
    x = 98,013,768.60

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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.