Home / 81,564,736,905.18-112,544,394,773.85-45,434,870,209.26

Finding the Fourth Proportional to 81,564,736,905.18, 112,544,394,773.85 and 45,434,870,209.26

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Solution

The fourth proportional to 81,564,736,905.18, 112,544,394,773.85 and 45,434,870,209.26 is: 62,691,797,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564,736,905.18 : 112,544,394,773.85 = 45,434,870,209.26 : x
  2. Step 2: Convert to fraction form
    81,564,736,905.18/112,544,394,773.85 = 45,434,870,209.26/x
  3. Step 3: Cross multiply
    81,564,736,905.18x = 112,544,394,773.85 × 45,434,870,209.26
  4. Step 4: Simplify right side
    81,564,736,905.18x = 5,113,439,969,329,594,499,072
  5. Step 5: Solve for x
    x = 5,113,439,969,329,594,499,072/81,564,736,905.18
  6. Step 6: Final answer
    x = 62,691,797,501.58

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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.