Home / 145,224,006.40-217,836,009.60-54,335,785.60

Finding the Fourth Proportional to 145,224,006.40, 217,836,009.60 and 54,335,785.60

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Solution

The fourth proportional to 145,224,006.40, 217,836,009.60 and 54,335,785.60 is: 81,503,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,224,006.40 : 217,836,009.60 = 54,335,785.60 : x
  2. Step 2: Convert to fraction form
    145,224,006.40/217,836,009.60 = 54,335,785.60/x
  3. Step 3: Cross multiply
    145,224,006.40x = 217,836,009.60 × 54,335,785.60
  4. Step 4: Simplify right side
    145,224,006.40x = 11,836,290,713,585,142
  5. Step 5: Solve for x
    x = 11,836,290,713,585,142/145,224,006.40
  6. Step 6: Final answer
    x = 81,503,678.40

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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.