Home / 213,573,066,801.61-294,731,124,048.47-115,914,709,245.60

Finding the Fourth Proportional to 213,573,066,801.61, 294,731,124,048.47 and 115,914,709,245.60

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Solution

The fourth proportional to 213,573,066,801.61, 294,731,124,048.47 and 115,914,709,245.60 is: 159,962,457,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,573,066,801.61 : 294,731,124,048.47 = 115,914,709,245.60 : x
  2. Step 2: Convert to fraction form
    213,573,066,801.61/294,731,124,048.47 = 115,914,709,245.60/x
  3. Step 3: Cross multiply
    213,573,066,801.61x = 294,731,124,048.47 × 115,914,709,245.60
  4. Step 4: Simplify right side
    213,573,066,801.61x = 34,163,672,549,707,265,081,344
  5. Step 5: Solve for x
    x = 34,163,672,549,707,265,081,344/213,573,066,801.61
  6. Step 6: Final answer
    x = 159,962,457,164.33

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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.