Home / 158,870,867.22-219,236,204.94-87,343,228.00

Finding the Fourth Proportional to 158,870,867.22, 219,236,204.94 and 87,343,228.00

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Solution

The fourth proportional to 158,870,867.22, 219,236,204.94 and 87,343,228.00 is: 120,530,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,870,867.22 : 219,236,204.94 = 87,343,228.00 : x
  2. Step 2: Convert to fraction form
    158,870,867.22/219,236,204.94 = 87,343,228.00/x
  3. Step 3: Cross multiply
    158,870,867.22x = 219,236,204.94 × 87,343,228.00
  4. Step 4: Simplify right side
    158,870,867.22x = 19,148,797,834,530,728
  5. Step 5: Solve for x
    x = 19,148,797,834,530,728/158,870,867.22
  6. Step 6: Final answer
    x = 120,530,580.40

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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.