Home / 90,219,066.54-124,503,506.21-48,966,453.42

Finding the Fourth Proportional to 90,219,066.54, 124,503,506.21 and 48,966,453.42

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Solution

The fourth proportional to 90,219,066.54, 124,503,506.21 and 48,966,453.42 is: 67,574,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,066.54 : 124,503,506.21 = 48,966,453.42 : x
  2. Step 2: Convert to fraction form
    90,219,066.54/124,503,506.21 = 48,966,453.42/x
  3. Step 3: Cross multiply
    90,219,066.54x = 124,503,506.21 × 48,966,453.42
  4. Step 4: Simplify right side
    90,219,066.54x = 6,096,495,137,458,646
  5. Step 5: Solve for x
    x = 6,096,495,137,458,646/90,219,066.54
  6. Step 6: Final answer
    x = 67,574,353.97

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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.