Home / 162,014,016.71-223,579,336.18-87,674,579.55

Finding the Fourth Proportional to 162,014,016.71, 223,579,336.18 and 87,674,579.55

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Solution

The fourth proportional to 162,014,016.71, 223,579,336.18 and 87,674,579.55 is: 120,990,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014,016.71 : 223,579,336.18 = 87,674,579.55 : x
  2. Step 2: Convert to fraction form
    162,014,016.71/223,579,336.18 = 87,674,579.55/x
  3. Step 3: Cross multiply
    162,014,016.71x = 223,579,336.18 × 87,674,579.55
  4. Step 4: Simplify right side
    162,014,016.71x = 19,602,224,295,649,604
  5. Step 5: Solve for x
    x = 19,602,224,295,649,604/162,014,016.71
  6. Step 6: Final answer
    x = 120,990,916.06

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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.