Home / 162,014,015.71-223,579,334.80-87,674,578.55

Finding the Fourth Proportional to 162,014,015.71, 223,579,334.80 and 87,674,578.55

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Solution

The fourth proportional to 162,014,015.71, 223,579,334.80 and 87,674,578.55 is: 120,990,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014,015.71 : 223,579,334.80 = 87,674,578.55 : x
  2. Step 2: Convert to fraction form
    162,014,015.71/223,579,334.80 = 87,674,578.55/x
  3. Step 3: Cross multiply
    162,014,015.71x = 223,579,334.80 × 87,674,578.55
  4. Step 4: Simplify right side
    162,014,015.71x = 19,602,223,952,168,204
  5. Step 5: Solve for x
    x = 19,602,223,952,168,204/162,014,015.71
  6. Step 6: Final answer
    x = 120,990,914.68

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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.