Home / 210,202,006.92-290,073,147.17-116,114,128.92

Finding the Fourth Proportional to 210,202,006.92, 290,073,147.17 and 116,114,128.92

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Solution

The fourth proportional to 210,202,006.92, 290,073,147.17 and 116,114,128.92 is: 160,234,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,202,006.92 : 290,073,147.17 = 116,114,128.92 : x
  2. Step 2: Convert to fraction form
    210,202,006.92/290,073,147.17 = 116,114,128.92/x
  3. Step 3: Cross multiply
    210,202,006.92x = 290,073,147.17 × 116,114,128.92
  4. Step 4: Simplify right side
    210,202,006.92x = 33,681,590,806,146,944
  5. Step 5: Solve for x
    x = 33,681,590,806,146,944/210,202,006.92
  6. Step 6: Final answer
    x = 160,234,392.14

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1.5x scale

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.