Home / 56,678,195.43-78,196,335.54-34,358,337.78

Finding the Fourth Proportional to 56,678,195.43, 78,196,335.54 and 34,358,337.78

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Solution

The fourth proportional to 56,678,195.43, 78,196,335.54 and 34,358,337.78 is: 47,402,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,678,195.43 : 78,196,335.54 = 34,358,337.78 : x
  2. Step 2: Convert to fraction form
    56,678,195.43/78,196,335.54 = 34,358,337.78/x
  3. Step 3: Cross multiply
    56,678,195.43x = 78,196,335.54 × 34,358,337.78
  4. Step 4: Simplify right side
    56,678,195.43x = 2,686,696,109,641,539
  5. Step 5: Solve for x
    x = 2,686,696,109,641,539/56,678,195.43
  6. Step 6: Final answer
    x = 47,402,640.28

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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.