Home / 132,191,539,628.36-198,326,212,902.58-42,652,853,313.12

Finding the Fourth Proportional to 132,191,539,628.36, 198,326,212,902.58 and 42,652,853,313.12

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Solution

The fourth proportional to 132,191,539,628.36, 198,326,212,902.58 and 42,652,853,313.12 is: 63,991,832,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,191,539,628.36 : 198,326,212,902.58 = 42,652,853,313.12 : x
  2. Step 2: Convert to fraction form
    132,191,539,628.36/198,326,212,902.58 = 42,652,853,313.12/x
  3. Step 3: Cross multiply
    132,191,539,628.36x = 198,326,212,902.58 × 42,652,853,313.12
  4. Step 4: Simplify right side
    132,191,539,628.36x = 8,459,178,867,080,351,973,376
  5. Step 5: Solve for x
    x = 8,459,178,867,080,351,973,376/132,191,539,628.36
  6. Step 6: Final answer
    x = 63,991,832,539.83

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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.