Home / 70,293,944.56-105,484,014.36-31,465,227.68

Finding the Fourth Proportional to 70,293,944.56, 105,484,014.36 and 31,465,227.68

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Solution

The fourth proportional to 70,293,944.56, 105,484,014.36 and 31,465,227.68 is: 47,217,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,293,944.56 : 105,484,014.36 = 31,465,227.68 : x
  2. Step 2: Convert to fraction form
    70,293,944.56/105,484,014.36 = 31,465,227.68/x
  3. Step 3: Cross multiply
    70,293,944.56x = 105,484,014.36 × 31,465,227.68
  4. Step 4: Simplify right side
    70,293,944.56x = 3,319,078,528,437,789.50
  5. Step 5: Solve for x
    x = 3,319,078,528,437,789.50/70,293,944.56
  6. Step 6: Final answer
    x = 47,217,132.99

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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.