Home / 154,886,302.27-213,734,983.60-85,258,083.43

Finding the Fourth Proportional to 154,886,302.27, 213,734,983.60 and 85,258,083.43

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Solution

The fourth proportional to 154,886,302.27, 213,734,983.60 and 85,258,083.43 is: 117,651,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,886,302.27 : 213,734,983.60 = 85,258,083.43 : x
  2. Step 2: Convert to fraction form
    154,886,302.27/213,734,983.60 = 85,258,083.43/x
  3. Step 3: Cross multiply
    154,886,302.27x = 213,734,983.60 × 85,258,083.43
  4. Step 4: Simplify right side
    154,886,302.27x = 18,222,635,063,678,484
  5. Step 5: Solve for x
    x = 18,222,635,063,678,484/154,886,302.27
  6. Step 6: Final answer
    x = 117,651,688.99

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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.