Home / 212,957,415.46-293,881,429.83-115,172,271.46

Finding the Fourth Proportional to 212,957,415.46, 293,881,429.83 and 115,172,271.46

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Solution

The fourth proportional to 212,957,415.46, 293,881,429.83 and 115,172,271.46 is: 158,937,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957,415.46 : 293,881,429.83 = 115,172,271.46 : x
  2. Step 2: Convert to fraction form
    212,957,415.46/293,881,429.83 = 115,172,271.46/x
  3. Step 3: Cross multiply
    212,957,415.46x = 293,881,429.83 × 115,172,271.46
  4. Step 4: Simplify right side
    212,957,415.46x = 33,846,991,813,433,696
  5. Step 5: Solve for x
    x = 33,846,991,813,433,696/212,957,415.46
  6. Step 6: Final answer
    x = 158,937,840.88

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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.