Home / 30,690,136,067.98-42,351,937,044.46-17,141,970,944.21

Finding the Fourth Proportional to 30,690,136,067.98, 42,351,937,044.46 and 17,141,970,944.21

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Solution

The fourth proportional to 30,690,136,067.98, 42,351,937,044.46 and 17,141,970,944.21 is: 23,655,668,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690,136,067.98 : 42,351,937,044.46 = 17,141,970,944.21 : x
  2. Step 2: Convert to fraction form
    30,690,136,067.98/42,351,937,044.46 = 17,141,970,944.21/x
  3. Step 3: Cross multiply
    30,690,136,067.98x = 42,351,937,044.46 × 17,141,970,944.21
  4. Step 4: Simplify right side
    30,690,136,067.98x = 725,995,674,247,001,276,416
  5. Step 5: Solve for x
    x = 725,995,674,247,001,276,416/30,690,136,067.98
  6. Step 6: Final answer
    x = 23,655,668,148.19

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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.