Home / 68,698,053.90-103,094,320.05-28,308,537.90

Finding the Fourth Proportional to 68,698,053.90, 103,094,320.05 and 28,308,537.90

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Solution

The fourth proportional to 68,698,053.90, 103,094,320.05 and 28,308,537.90 is: 42,482,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,698,053.90 : 103,094,320.05 = 28,308,537.90 : x
  2. Step 2: Convert to fraction form
    68,698,053.90/103,094,320.05 = 28,308,537.90/x
  3. Step 3: Cross multiply
    68,698,053.90x = 103,094,320.05 × 28,308,537.90
  4. Step 4: Simplify right side
    68,698,053.90x = 2,918,449,466,410,154.50
  5. Step 5: Solve for x
    x = 2,918,449,466,410,154.50/68,698,053.90
  6. Step 6: Final answer
    x = 42,482,272.80

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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.