Home / 125,023,999.18-172,533,118.87-70,019,855.68

Finding the Fourth Proportional to 125,023,999.18, 172,533,118.87 and 70,019,855.68

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Solution

The fourth proportional to 125,023,999.18, 172,533,118.87 and 70,019,855.68 is: 96,627,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,023,999.18 : 172,533,118.87 = 70,019,855.68 : x
  2. Step 2: Convert to fraction form
    125,023,999.18/172,533,118.87 = 70,019,855.68/x
  3. Step 3: Cross multiply
    125,023,999.18x = 172,533,118.87 × 70,019,855.68
  4. Step 4: Simplify right side
    125,023,999.18x = 12,080,744,083,297,686
  5. Step 5: Solve for x
    x = 12,080,744,083,297,686/125,023,999.18
  6. Step 6: Final answer
    x = 96,627,400.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.