Home / 210,991,268.10-291,178,333.53-127,358,069.34

Finding the Fourth Proportional to 210,991,268.10, 291,178,333.53 and 127,358,069.34

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Solution

The fourth proportional to 210,991,268.10, 291,178,333.53 and 127,358,069.34 is: 175,760,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,991,268.10 : 291,178,333.53 = 127,358,069.34 : x
  2. Step 2: Convert to fraction form
    210,991,268.10/291,178,333.53 = 127,358,069.34/x
  3. Step 3: Cross multiply
    210,991,268.10x = 291,178,333.53 × 127,358,069.34
  4. Step 4: Simplify right side
    210,991,268.10x = 37,083,910,392,019,384
  5. Step 5: Solve for x
    x = 37,083,910,392,019,384/210,991,268.10
  6. Step 6: Final answer
    x = 175,760,403.39

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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.