Home / 61,239,369.60-91,859,054.40-42,107,493.60

Finding the Fourth Proportional to 61,239,369.60, 91,859,054.40 and 42,107,493.60

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Solution

The fourth proportional to 61,239,369.60, 91,859,054.40 and 42,107,493.60 is: 63,161,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239,369.60 : 91,859,054.40 = 42,107,493.60 : x
  2. Step 2: Convert to fraction form
    61,239,369.60/91,859,054.40 = 42,107,493.60/x
  3. Step 3: Cross multiply
    61,239,369.60x = 91,859,054.40 × 42,107,493.60
  4. Step 4: Simplify right side
    61,239,369.60x = 3,867,954,545,250,052
  5. Step 5: Solve for x
    x = 3,867,954,545,250,052/61,239,369.60
  6. Step 6: Final answer
    x = 63,161,240.40

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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.