Home / 75,221,663,682.56-112,882,141,344.13-39,873,842,007.71

Finding the Fourth Proportional to 75,221,663,682.56, 112,882,141,344.13 and 39,873,842,007.71

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Solution

The fourth proportional to 75,221,663,682.56, 112,882,141,344.13 and 39,873,842,007.71 is: 59,837,079,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221,663,682.56 : 112,882,141,344.13 = 39,873,842,007.71 : x
  2. Step 2: Convert to fraction form
    75,221,663,682.56/112,882,141,344.13 = 39,873,842,007.71/x
  3. Step 3: Cross multiply
    75,221,663,682.56x = 112,882,141,344.13 × 39,873,842,007.71
  4. Step 4: Simplify right side
    75,221,663,682.56x = 4,501,044,669,448,167,358,464
  5. Step 5: Solve for x
    x = 4,501,044,669,448,167,358,464/75,221,663,682.56
  6. Step 6: Final answer
    x = 59,837,079,494.05

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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.