Home / 54,459,058.40-81,688,587.60-20,375,975.60

Finding the Fourth Proportional to 54,459,058.40, 81,688,587.60 and 20,375,975.60

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Solution

The fourth proportional to 54,459,058.40, 81,688,587.60 and 20,375,975.60 is: 30,563,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,058.40 : 81,688,587.60 = 20,375,975.60 : x
  2. Step 2: Convert to fraction form
    54,459,058.40/81,688,587.60 = 20,375,975.60/x
  3. Step 3: Cross multiply
    54,459,058.40x = 81,688,587.60 × 20,375,975.60
  4. Step 4: Simplify right side
    54,459,058.40x = 1,664,484,667,736,062.50
  5. Step 5: Solve for x
    x = 1,664,484,667,736,062.50/54,459,058.40
  6. Step 6: Final answer
    x = 30,563,963.40

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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.