Home / 81,320,823,675.52-112,225,461,633.12-45,193,378,677.28

Finding the Fourth Proportional to 81,320,823,675.52, 112,225,461,633.12 and 45,193,378,677.28

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Solution

The fourth proportional to 81,320,823,675.52, 112,225,461,633.12 and 45,193,378,677.28 is: 62,368,376,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,320,823,675.52 : 112,225,461,633.12 = 45,193,378,677.28 : x
  2. Step 2: Convert to fraction form
    81,320,823,675.52/112,225,461,633.12 = 45,193,378,677.28/x
  3. Step 3: Cross multiply
    81,320,823,675.52x = 112,225,461,633.12 × 45,193,378,677.28
  4. Step 4: Simplify right side
    81,320,823,675.52x = 5,071,847,784,818,149,425,152
  5. Step 5: Solve for x
    x = 5,071,847,784,818,149,425,152/81,320,823,675.52
  6. Step 6: Final answer
    x = 62,368,376,949.25

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Double scale
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1.5x scale

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.