Home / 73,451,617.60-110,219,416.80-28,045,998.40

Finding the Fourth Proportional to 73,451,617.60, 110,219,416.80 and 28,045,998.40

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Solution

The fourth proportional to 73,451,617.60, 110,219,416.80 and 28,045,998.40 is: 42,085,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,451,617.60 : 110,219,416.80 = 28,045,998.40 : x
  2. Step 2: Convert to fraction form
    73,451,617.60/110,219,416.80 = 28,045,998.40/x
  3. Step 3: Cross multiply
    73,451,617.60x = 110,219,416.80 × 28,045,998.40
  4. Step 4: Simplify right side
    73,451,617.60x = 3,091,213,587,221,733
  5. Step 5: Solve for x
    x = 3,091,213,587,221,733/73,451,617.60
  6. Step 6: Final answer
    x = 42,085,030.78

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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.