Home / 162,015,993.46-223,582,635.51-87,676,535.38

Finding the Fourth Proportional to 162,015,993.46, 223,582,635.51 and 87,676,535.38

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Solution

The fourth proportional to 162,015,993.46, 223,582,635.51 and 87,676,535.38 is: 120,993,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,015,993.46 : 223,582,635.51 = 87,676,535.38 : x
  2. Step 2: Convert to fraction form
    162,015,993.46/223,582,635.51 = 87,676,535.38/x
  3. Step 3: Cross multiply
    162,015,993.46x = 223,582,635.51 × 87,676,535.38
  4. Step 4: Simplify right side
    162,015,993.46x = 19,602,950,852,646,156
  5. Step 5: Solve for x
    x = 19,602,950,852,646,156/162,015,993.46
  6. Step 6: Final answer
    x = 120,993,924.33

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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.