Home / 109,156,718.80-163,735,078.20-51,761,090.80

Finding the Fourth Proportional to 109,156,718.80, 163,735,078.20 and 51,761,090.80

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Solution

The fourth proportional to 109,156,718.80, 163,735,078.20 and 51,761,090.80 is: 77,641,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,718.80 : 163,735,078.20 = 51,761,090.80 : x
  2. Step 2: Convert to fraction form
    109,156,718.80/163,735,078.20 = 51,761,090.80/x
  3. Step 3: Cross multiply
    109,156,718.80x = 163,735,078.20 × 51,761,090.80
  4. Step 4: Simplify right side
    109,156,718.80x = 8,475,106,249,855,299
  5. Step 5: Solve for x
    x = 8,475,106,249,855,299/109,156,718.80
  6. Step 6: Final answer
    x = 77,641,636.20

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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.