Home / 212,651,155-293,458,711.98-114,866,011.96

Finding the Fourth Proportional to 212,651,155, 293,458,711.98 and 114,866,011.96

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Solution

The fourth proportional to 212,651,155, 293,458,711.98 and 114,866,011.96 is: 158,515,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,651,155 : 293,458,711.98 = 114,866,011.96 : x
  2. Step 2: Convert to fraction form
    212,651,155/293,458,711.98 = 114,866,011.96/x
  3. Step 3: Cross multiply
    212,651,155x = 293,458,711.98 × 114,866,011.96
  4. Step 4: Simplify right side
    212,651,155x = 33,708,431,920,060,876
  5. Step 5: Solve for x
    x = 33,708,431,920,060,876/212,651,155
  6. Step 6: Final answer
    x = 158,515,160.29

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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.