Home / 118,088,530,845.96-162,962,067,285.18-66,657,916,215.12

Finding the Fourth Proportional to 118,088,530,845.96, 162,962,067,285.18 and 66,657,916,215.12

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Solution

The fourth proportional to 118,088,530,845.96, 162,962,067,285.18 and 66,657,916,215.12 is: 91,987,864,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088,530,845.96 : 162,962,067,285.18 = 66,657,916,215.12 : x
  2. Step 2: Convert to fraction form
    118,088,530,845.96/162,962,067,285.18 = 66,657,916,215.12/x
  3. Step 3: Cross multiply
    118,088,530,845.96x = 162,962,067,285.18 × 66,657,916,215.12
  4. Step 4: Simplify right side
    118,088,530,845.96x = 10,862,711,827,338,276,896,768
  5. Step 5: Solve for x
    x = 10,862,711,827,338,276,896,768/118,088,530,845.96
  6. Step 6: Final answer
    x = 91,987,864,947.77

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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.