Home / 162,164,812.37-223,786,331.98-87,823,663.20

Finding the Fourth Proportional to 162,164,812.37, 223,786,331.98 and 87,823,663.20

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Solution

The fourth proportional to 162,164,812.37, 223,786,331.98 and 87,823,663.20 is: 121,196,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164,812.37 : 223,786,331.98 = 87,823,663.20 : x
  2. Step 2: Convert to fraction form
    162,164,812.37/223,786,331.98 = 87,823,663.20/x
  3. Step 3: Cross multiply
    162,164,812.37x = 223,786,331.98 × 87,823,663.20
  4. Step 4: Simplify right side
    162,164,812.37x = 19,653,735,448,355,348
  5. Step 5: Solve for x
    x = 19,653,735,448,355,348/162,164,812.37
  6. Step 6: Final answer
    x = 121,196,054.57

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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.