Home / 205,128,022.40-307,692,033.60-61,520,854.40

Finding the Fourth Proportional to 205,128,022.40, 307,692,033.60 and 61,520,854.40

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Solution

The fourth proportional to 205,128,022.40, 307,692,033.60 and 61,520,854.40 is: 92,281,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,128,022.40 : 307,692,033.60 = 61,520,854.40 : x
  2. Step 2: Convert to fraction form
    205,128,022.40/307,692,033.60 = 61,520,854.40/x
  3. Step 3: Cross multiply
    205,128,022.40x = 307,692,033.60 × 61,520,854.40
  4. Step 4: Simplify right side
    205,128,022.40x = 18,929,476,799,145,508
  5. Step 5: Solve for x
    x = 18,929,476,799,145,508/205,128,022.40
  6. Step 6: Final answer
    x = 92,281,281.60

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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.