Home / 45,251,166.42-67,823,341.47-19,335,886.74

Finding the Fourth Proportional to 45,251,166.42, 67,823,341.47 and 19,335,886.74

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Solution

The fourth proportional to 45,251,166.42, 67,823,341.47 and 19,335,886.74 is: 28,981,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251,166.42 : 67,823,341.47 = 19,335,886.74 : x
  2. Step 2: Convert to fraction form
    45,251,166.42/67,823,341.47 = 19,335,886.74/x
  3. Step 3: Cross multiply
    45,251,166.42x = 67,823,341.47 × 19,335,886.74
  4. Step 4: Simplify right side
    45,251,166.42x = 1,311,424,448,992,265
  5. Step 5: Solve for x
    x = 1,311,424,448,992,265/45,251,166.42
  6. Step 6: Final answer
    x = 28,981,008.73

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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.