Home / 109,312,181.80-163,968,272.70-28,533,149.80

Finding the Fourth Proportional to 109,312,181.80, 163,968,272.70 and 28,533,149.80

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Solution

The fourth proportional to 109,312,181.80, 163,968,272.70 and 28,533,149.80 is: 42,799,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,312,181.80 : 163,968,272.70 = 28,533,149.80 : x
  2. Step 2: Convert to fraction form
    109,312,181.80/163,968,272.70 = 28,533,149.80/x
  3. Step 3: Cross multiply
    109,312,181.80x = 163,968,272.70 × 28,533,149.80
  4. Step 4: Simplify right side
    109,312,181.80x = 4,678,531,287,396,350
  5. Step 5: Solve for x
    x = 4,678,531,287,396,350/109,312,181.80
  6. Step 6: Final answer
    x = 42,799,724.70

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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.