Home / 212,957,162.96-293,881,080.98-115,172,018.96

Finding the Fourth Proportional to 212,957,162.96, 293,881,080.98 and 115,172,018.96

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Solution

The fourth proportional to 212,957,162.96, 293,881,080.98 and 115,172,018.96 is: 158,937,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957,162.96 : 293,881,080.98 = 115,172,018.96 : x
  2. Step 2: Convert to fraction form
    212,957,162.96/293,881,080.98 = 115,172,018.96/x
  3. Step 3: Cross multiply
    212,957,162.96x = 293,881,080.98 × 115,172,018.96
  4. Step 4: Simplify right side
    212,957,162.96x = 33,846,877,430,037,996
  5. Step 5: Solve for x
    x = 33,846,877,430,037,996/212,957,162.96
  6. Step 6: Final answer
    x = 158,937,492.21

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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.