Home / 213,573,066,799.53-294,731,124,045.61-115,914,709,243.54

Finding the Fourth Proportional to 213,573,066,799.53, 294,731,124,045.61 and 115,914,709,243.54

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Solution

The fourth proportional to 213,573,066,799.53, 294,731,124,045.61 and 115,914,709,243.54 is: 159,962,457,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,573,066,799.53 : 294,731,124,045.61 = 115,914,709,243.54 : x
  2. Step 2: Convert to fraction form
    213,573,066,799.53/294,731,124,045.61 = 115,914,709,243.54/x
  3. Step 3: Cross multiply
    213,573,066,799.53x = 294,731,124,045.61 × 115,914,709,243.54
  4. Step 4: Simplify right side
    213,573,066,799.53x = 34,163,672,548,768,600,817,664
  5. Step 5: Solve for x
    x = 34,163,672,548,768,600,817,664/213,573,066,799.53
  6. Step 6: Final answer
    x = 159,962,457,161.49

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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.