Home / 132,191,539,530.27-198,326,212,755.63-42,652,853,215.03

Finding the Fourth Proportional to 132,191,539,530.27, 198,326,212,755.63 and 42,652,853,215.03

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Solution

The fourth proportional to 132,191,539,530.27, 198,326,212,755.63 and 42,652,853,215.03 is: 63,991,832,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,191,539,530.27 : 198,326,212,755.63 = 42,652,853,215.03 : x
  2. Step 2: Convert to fraction form
    132,191,539,530.27/198,326,212,755.63 = 42,652,853,215.03/x
  3. Step 3: Cross multiply
    132,191,539,530.27x = 198,326,212,755.63 × 42,652,853,215.03
  4. Step 4: Simplify right side
    132,191,539,530.27x = 8,459,178,841,359,093,071,872
  5. Step 5: Solve for x
    x = 8,459,178,841,359,093,071,872/132,191,539,530.27
  6. Step 6: Final answer
    x = 63,991,832,392.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.