Home / 90,689,180.78-136,007,416.91-35,344,698.23

Finding the Fourth Proportional to 90,689,180.78, 136,007,416.91 and 35,344,698.23

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Solution

The fourth proportional to 90,689,180.78, 136,007,416.91 and 35,344,698.23 is: 53,006,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,689,180.78 : 136,007,416.91 = 35,344,698.23 : x
  2. Step 2: Convert to fraction form
    90,689,180.78/136,007,416.91 = 35,344,698.23/x
  3. Step 3: Cross multiply
    90,689,180.78x = 136,007,416.91 × 35,344,698.23
  4. Step 4: Simplify right side
    90,689,180.78x = 4,807,141,106,868,989
  5. Step 5: Solve for x
    x = 4,807,141,106,868,989/90,689,180.78
  6. Step 6: Final answer
    x = 53,006,776.18

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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.