Home / 211,995,487.40-292,776,809.40-188,886,218.39

Finding the Fourth Proportional to 211,995,487.40, 292,776,809.40 and 188,886,218.39

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Solution

The fourth proportional to 211,995,487.40, 292,776,809.40 and 188,886,218.39 is: 260,861,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,995,487.40 : 292,776,809.40 = 188,886,218.39 : x
  2. Step 2: Convert to fraction form
    211,995,487.40/292,776,809.40 = 188,886,218.39/x
  3. Step 3: Cross multiply
    211,995,487.40x = 292,776,809.40 × 188,886,218.39
  4. Step 4: Simplify right side
    211,995,487.40x = 55,301,504,358,391,912
  5. Step 5: Solve for x
    x = 55,301,504,358,391,912/211,995,487.40
  6. Step 6: Final answer
    x = 260,861,705.29

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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.