Home / 100,900,423.45-151,336,264.09-31,804,247.27

Finding the Fourth Proportional to 100,900,423.45, 151,336,264.09 and 31,804,247.27

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Solution

The fourth proportional to 100,900,423.45, 151,336,264.09 and 31,804,247.27 is: 47,701,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,423.45 : 151,336,264.09 = 31,804,247.27 : x
  2. Step 2: Convert to fraction form
    100,900,423.45/151,336,264.09 = 31,804,247.27/x
  3. Step 3: Cross multiply
    100,900,423.45x = 151,336,264.09 × 31,804,247.27
  4. Step 4: Simplify right side
    100,900,423.45x = 4,813,135,964,036,382
  5. Step 5: Solve for x
    x = 4,813,135,964,036,382/100,900,423.45
  6. Step 6: Final answer
    x = 47,701,841.08

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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.