Home / 210,991,265.10-291,178,329.39-127,358,066.34

Finding the Fourth Proportional to 210,991,265.10, 291,178,329.39 and 127,358,066.34

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Solution

The fourth proportional to 210,991,265.10, 291,178,329.39 and 127,358,066.34 is: 175,760,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,991,265.10 : 291,178,329.39 = 127,358,066.34 : x
  2. Step 2: Convert to fraction form
    210,991,265.10/291,178,329.39 = 127,358,066.34/x
  3. Step 3: Cross multiply
    210,991,265.10x = 291,178,329.39 × 127,358,066.34
  4. Step 4: Simplify right side
    210,991,265.10x = 37,083,908,991,221,992
  5. Step 5: Solve for x
    x = 37,083,908,991,221,992/210,991,265.10
  6. Step 6: Final answer
    x = 175,760,399.25

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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.