Home / 311,072,488.50-429,293,075.56-178,913,521.92

Finding the Fourth Proportional to 311,072,488.50, 429,293,075.56 and 178,913,521.92

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Solution

The fourth proportional to 311,072,488.50, 429,293,075.56 and 178,913,521.92 is: 246,908,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,072,488.50 : 429,293,075.56 = 178,913,521.92 : x
  2. Step 2: Convert to fraction form
    311,072,488.50/429,293,075.56 = 178,913,521.92/x
  3. Step 3: Cross multiply
    311,072,488.50x = 429,293,075.56 × 178,913,521.92
  4. Step 4: Simplify right side
    311,072,488.50x = 76,806,336,084,308,272
  5. Step 5: Solve for x
    x = 76,806,336,084,308,272/311,072,488.50
  6. Step 6: Final answer
    x = 246,908,161.04

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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.