Home / 48,443,785.54-72,647,569.95-19,680,230.32

Finding the Fourth Proportional to 48,443,785.54, 72,647,569.95 and 19,680,230.32

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Solution

The fourth proportional to 48,443,785.54, 72,647,569.95 and 19,680,230.32 is: 29,512,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443,785.54 : 72,647,569.95 = 19,680,230.32 : x
  2. Step 2: Convert to fraction form
    48,443,785.54/72,647,569.95 = 19,680,230.32/x
  3. Step 3: Cross multiply
    48,443,785.54x = 72,647,569.95 × 19,680,230.32
  4. Step 4: Simplify right side
    48,443,785.54x = 1,429,720,908,804,311
  5. Step 5: Solve for x
    x = 1,429,720,908,804,311/48,443,785.54
  6. Step 6: Final answer
    x = 29,512,988.98

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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.