Home / 211,028,277.41-291,235,178.63-132,778,904.57

Finding the Fourth Proportional to 211,028,277.41, 291,235,178.63 and 132,778,904.57

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Solution

The fourth proportional to 211,028,277.41, 291,235,178.63 and 132,778,904.57 is: 183,245,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,028,277.41 : 291,235,178.63 = 132,778,904.57 : x
  2. Step 2: Convert to fraction form
    211,028,277.41/291,235,178.63 = 132,778,904.57/x
  3. Step 3: Cross multiply
    211,028,277.41x = 291,235,178.63 × 132,778,904.57
  4. Step 4: Simplify right side
    211,028,277.41x = 38,669,887,990,739,672
  5. Step 5: Solve for x
    x = 38,669,887,990,739,672/211,028,277.41
  6. Step 6: Final answer
    x = 183,245,053.53

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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.