Home / 162,168,731.46-223,792,778.52-87,829,295.76

Finding the Fourth Proportional to 162,168,731.46, 223,792,778.52 and 87,829,295.76

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Solution

The fourth proportional to 162,168,731.46, 223,792,778.52 and 87,829,295.76 is: 121,204,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,168,731.46 : 223,792,778.52 = 87,829,295.76 : x
  2. Step 2: Convert to fraction form
    162,168,731.46/223,792,778.52 = 87,829,295.76/x
  3. Step 3: Cross multiply
    162,168,731.46x = 223,792,778.52 × 87,829,295.76
  4. Step 4: Simplify right side
    162,168,731.46x = 19,655,562,133,585,256
  5. Step 5: Solve for x
    x = 19,655,562,133,585,256/162,168,731.46
  6. Step 6: Final answer
    x = 121,204,389.75

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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.