Home / 56,893,083.29-78,512,455.04-30,787,601.11

Finding the Fourth Proportional to 56,893,083.29, 78,512,455.04 and 30,787,601.11

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Solution

The fourth proportional to 56,893,083.29, 78,512,455.04 and 30,787,601.11 is: 42,486,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,083.29 : 78,512,455.04 = 30,787,601.11 : x
  2. Step 2: Convert to fraction form
    56,893,083.29/78,512,455.04 = 30,787,601.11/x
  3. Step 3: Cross multiply
    56,893,083.29x = 78,512,455.04 × 30,787,601.11
  4. Step 4: Simplify right side
    56,893,083.29x = 2,417,210,147,784,391
  5. Step 5: Solve for x
    x = 2,417,210,147,784,391/56,893,083.29
  6. Step 6: Final answer
    x = 42,486,889.58

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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.