Home / 45,522,989.13-68,306,904.38-21,258,389.52

Finding the Fourth Proportional to 45,522,989.13, 68,306,904.38 and 21,258,389.52

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Solution

The fourth proportional to 45,522,989.13, 68,306,904.38 and 21,258,389.52 is: 31,898,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,522,989.13 : 68,306,904.38 = 21,258,389.52 : x
  2. Step 2: Convert to fraction form
    45,522,989.13/68,306,904.38 = 21,258,389.52/x
  3. Step 3: Cross multiply
    45,522,989.13x = 68,306,904.38 × 21,258,389.52
  4. Step 4: Simplify right side
    45,522,989.13x = 1,452,094,780,333,055.50
  5. Step 5: Solve for x
    x = 1,452,094,780,333,055.50/45,522,989.13
  6. Step 6: Final answer
    x = 31,898,054.33

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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.