Home / 200,070,100.78-300,063,160.77-56,429,340.46

Finding the Fourth Proportional to 200,070,100.78, 300,063,160.77 and 56,429,340.46

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Solution

The fourth proportional to 200,070,100.78, 300,063,160.77 and 56,429,340.46 is: 84,632,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,070,100.78 : 300,063,160.77 = 56,429,340.46 : x
  2. Step 2: Convert to fraction form
    200,070,100.78/300,063,160.77 = 56,429,340.46/x
  3. Step 3: Cross multiply
    200,070,100.78x = 300,063,160.77 × 56,429,340.46
  4. Step 4: Simplify right side
    200,070,100.78x = 16,932,366,258,594,044
  5. Step 5: Solve for x
    x = 16,932,366,258,594,044/200,070,100.78
  6. Step 6: Final answer
    x = 84,632,167.39

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1.5x scale

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.