Home / 90,218,042.64-124,501,021.92-48,964,935.60

Finding the Fourth Proportional to 90,218,042.64, 124,501,021.92 and 48,964,935.60

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Solution

The fourth proportional to 90,218,042.64, 124,501,021.92 and 48,964,935.60 is: 67,571,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,218,042.64 : 124,501,021.92 = 48,964,935.60 : x
  2. Step 2: Convert to fraction form
    90,218,042.64/124,501,021.92 = 48,964,935.60/x
  3. Step 3: Cross multiply
    90,218,042.64x = 124,501,021.92 × 48,964,935.60
  4. Step 4: Simplify right side
    90,218,042.64x = 6,096,184,520,446,989
  5. Step 5: Solve for x
    x = 6,096,184,520,446,989/90,218,042.64
  6. Step 6: Final answer
    x = 67,571,677.93

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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.