Home / 61,036,693.72-91,536,778.50-20,088,574.36

Finding the Fourth Proportional to 61,036,693.72, 91,536,778.50 and 20,088,574.36

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Solution

The fourth proportional to 61,036,693.72, 91,536,778.50 and 20,088,574.36 is: 30,126,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036,693.72 : 91,536,778.50 = 20,088,574.36 : x
  2. Step 2: Convert to fraction form
    61,036,693.72/91,536,778.50 = 20,088,574.36/x
  3. Step 3: Cross multiply
    61,036,693.72x = 91,536,778.50 × 20,088,574.36
  4. Step 4: Simplify right side
    61,036,693.72x = 1,838,843,381,572,099.25
  5. Step 5: Solve for x
    x = 1,838,843,381,572,099.25/61,036,693.72
  6. Step 6: Final answer
    x = 30,126,851.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.