Home / 158,737,068.34-219,007,733.73-91,731,615.64

Finding the Fourth Proportional to 158,737,068.34, 219,007,733.73 and 91,731,615.64

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Solution

The fourth proportional to 158,737,068.34, 219,007,733.73 and 91,731,615.64 is: 126,561,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,737,068.34 : 219,007,733.73 = 91,731,615.64 : x
  2. Step 2: Convert to fraction form
    158,737,068.34/219,007,733.73 = 91,731,615.64/x
  3. Step 3: Cross multiply
    158,737,068.34x = 219,007,733.73 × 91,731,615.64
  4. Step 4: Simplify right side
    158,737,068.34x = 20,089,933,252,691,064
  5. Step 5: Solve for x
    x = 20,089,933,252,691,064/158,737,068.34
  6. Step 6: Final answer
    x = 126,561,070.22

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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.