Home / 135,301,319.20-186,715,820.52-73,421,657.77

Finding the Fourth Proportional to 135,301,319.20, 186,715,820.52 and 73,421,657.77

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Solution

The fourth proportional to 135,301,319.20, 186,715,820.52 and 73,421,657.77 is: 101,321,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,301,319.20 : 186,715,820.52 = 73,421,657.77 : x
  2. Step 2: Convert to fraction form
    135,301,319.20/186,715,820.52 = 73,421,657.77/x
  3. Step 3: Cross multiply
    135,301,319.20x = 186,715,820.52 × 73,421,657.77
  4. Step 4: Simplify right side
    135,301,319.20x = 13,708,985,073,822,814
  5. Step 5: Solve for x
    x = 13,708,985,073,822,814/135,301,319.20
  6. Step 6: Final answer
    x = 101,321,887.73

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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.