Home / 45,749,345.60-68,648,901.60-18,825,723.20

Finding the Fourth Proportional to 45,749,345.60, 68,648,901.60 and 18,825,723.20

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Solution

The fourth proportional to 45,749,345.60, 68,648,901.60 and 18,825,723.20 is: 28,248,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749,345.60 : 68,648,901.60 = 18,825,723.20 : x
  2. Step 2: Convert to fraction form
    45,749,345.60/68,648,901.60 = 18,825,723.20/x
  3. Step 3: Cross multiply
    45,749,345.60x = 68,648,901.60 × 18,825,723.20
  4. Step 4: Simplify right side
    45,749,345.60x = 1,292,365,219,505,637
  5. Step 5: Solve for x
    x = 1,292,365,219,505,637/45,749,345.60
  6. Step 6: Final answer
    x = 28,248,824.16

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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.