Home / 213,573,066,799.64-294,731,124,045.79-115,914,709,243.66

Finding the Fourth Proportional to 213,573,066,799.64, 294,731,124,045.79 and 115,914,709,243.66

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Solution

The fourth proportional to 213,573,066,799.64, 294,731,124,045.79 and 115,914,709,243.66 is: 159,962,457,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,573,066,799.64 : 294,731,124,045.79 = 115,914,709,243.66 : x
  2. Step 2: Convert to fraction form
    213,573,066,799.64/294,731,124,045.79 = 115,914,709,243.66/x
  3. Step 3: Cross multiply
    213,573,066,799.64x = 294,731,124,045.79 × 115,914,709,243.66
  4. Step 4: Simplify right side
    213,573,066,799.64x = 34,163,672,548,824,833,851,392
  5. Step 5: Solve for x
    x = 34,163,672,548,824,833,851,392/213,573,066,799.64
  6. Step 6: Final answer
    x = 159,962,457,161.67

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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.