Home / 74,727,718.78-103,111,479.31-43,358,576.31

Finding the Fourth Proportional to 74,727,718.78, 103,111,479.31 and 43,358,576.31

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Solution

The fourth proportional to 74,727,718.78, 103,111,479.31 and 43,358,576.31 is: 59,827,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727,718.78 : 103,111,479.31 = 43,358,576.31 : x
  2. Step 2: Convert to fraction form
    74,727,718.78/103,111,479.31 = 43,358,576.31/x
  3. Step 3: Cross multiply
    74,727,718.78x = 103,111,479.31 × 43,358,576.31
  4. Step 4: Simplify right side
    74,727,718.78x = 4,470,766,943,882,829
  5. Step 5: Solve for x
    x = 4,470,766,943,882,829/74,727,718.78
  6. Step 6: Final answer
    x = 59,827,424.38

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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.