Home / 45,465,831.60-68,173,864.20-18,509,031.60

Finding the Fourth Proportional to 45,465,831.60, 68,173,864.20 and 18,509,031.60

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Solution

The fourth proportional to 45,465,831.60, 68,173,864.20 and 18,509,031.60 is: 27,753,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465,831.60 : 68,173,864.20 = 18,509,031.60 : x
  2. Step 2: Convert to fraction form
    45,465,831.60/68,173,864.20 = 18,509,031.60/x
  3. Step 3: Cross multiply
    45,465,831.60x = 68,173,864.20 × 18,509,031.60
  4. Step 4: Simplify right side
    45,465,831.60x = 1,261,832,206,771,909
  5. Step 5: Solve for x
    x = 1,261,832,206,771,909/45,465,831.60
  6. Step 6: Final answer
    x = 27,753,417.51

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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.