Home / 90,298,828.46-124,610,263.73-53,131,516.09

Finding the Fourth Proportional to 90,298,828.46, 124,610,263.73 and 53,131,516.09

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Solution

The fourth proportional to 90,298,828.46, 124,610,263.73 and 53,131,516.09 is: 73,320,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,298,828.46 : 124,610,263.73 = 53,131,516.09 : x
  2. Step 2: Convert to fraction form
    90,298,828.46/124,610,263.73 = 53,131,516.09/x
  3. Step 3: Cross multiply
    90,298,828.46x = 124,610,263.73 × 53,131,516.09
  4. Step 4: Simplify right side
    90,298,828.46x = 6,620,732,232,747,671
  5. Step 5: Solve for x
    x = 6,620,732,232,747,671/90,298,828.46
  6. Step 6: Final answer
    x = 73,320,245.08

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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.