Home / 209,085,440.22-313,423,444.17-117,014,139.90

Finding the Fourth Proportional to 209,085,440.22, 313,423,444.17 and 117,014,139.90

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Solution

The fourth proportional to 209,085,440.22, 313,423,444.17 and 117,014,139.90 is: 175,406,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,085,440.22 : 313,423,444.17 = 117,014,139.90 : x
  2. Step 2: Convert to fraction form
    209,085,440.22/313,423,444.17 = 117,014,139.90/x
  3. Step 3: Cross multiply
    209,085,440.22x = 313,423,444.17 × 117,014,139.90
  4. Step 4: Simplify right side
    209,085,440.22x = 36,674,974,744,048,224
  5. Step 5: Solve for x
    x = 36,674,974,744,048,224/209,085,440.22
  6. Step 6: Final answer
    x = 175,406,640.97

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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.