Home / 55,641,498.05-76,794,462.03-30,869,665.86

Finding the Fourth Proportional to 55,641,498.05, 76,794,462.03 and 30,869,665.86

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Solution

The fourth proportional to 55,641,498.05, 76,794,462.03 and 30,869,665.86 is: 42,605,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641,498.05 : 76,794,462.03 = 30,869,665.86 : x
  2. Step 2: Convert to fraction form
    55,641,498.05/76,794,462.03 = 30,869,665.86/x
  3. Step 3: Cross multiply
    55,641,498.05x = 76,794,462.03 × 30,869,665.86
  4. Step 4: Simplify right side
    55,641,498.05x = 2,370,619,382,764,557.50
  5. Step 5: Solve for x
    x = 2,370,619,382,764,557.50/55,641,498.05
  6. Step 6: Final answer
    x = 42,605,240.08

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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.