Home / 79,340,854.71-118,956,950.51-40,403,936.01

Finding the Fourth Proportional to 79,340,854.71, 118,956,950.51 and 40,403,936.01

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Solution

The fourth proportional to 79,340,854.71, 118,956,950.51 and 40,403,936.01 is: 60,578,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,854.71 : 118,956,950.51 = 40,403,936.01 : x
  2. Step 2: Convert to fraction form
    79,340,854.71/118,956,950.51 = 40,403,936.01/x
  3. Step 3: Cross multiply
    79,340,854.71x = 118,956,950.51 × 40,403,936.01
  4. Step 4: Simplify right side
    79,340,854.71x = 4,806,329,016,148,757
  5. Step 5: Solve for x
    x = 4,806,329,016,148,757/79,340,854.71
  6. Step 6: Final answer
    x = 60,578,235.94

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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.