Home / 90,938,586.04-136,504,983.66-39,148,822.36

Finding the Fourth Proportional to 90,938,586.04, 136,504,983.66 and 39,148,822.36

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Solution

The fourth proportional to 90,938,586.04, 136,504,983.66 and 39,148,822.36 is: 58,765,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938,586.04 : 136,504,983.66 = 39,148,822.36 : x
  2. Step 2: Convert to fraction form
    90,938,586.04/136,504,983.66 = 39,148,822.36/x
  3. Step 3: Cross multiply
    90,938,586.04x = 136,504,983.66 × 39,148,822.36
  4. Step 4: Simplify right side
    90,938,586.04x = 5,344,009,356,560,042
  5. Step 5: Solve for x
    x = 5,344,009,356,560,042/90,938,586.04
  6. Step 6: Final answer
    x = 58,765,036.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.