Home / 145,201,610.40-217,802,415.60-54,313,389.60

Finding the Fourth Proportional to 145,201,610.40, 217,802,415.60 and 54,313,389.60

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Solution

The fourth proportional to 145,201,610.40, 217,802,415.60 and 54,313,389.60 is: 81,470,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,201,610.40 : 217,802,415.60 = 54,313,389.60 : x
  2. Step 2: Convert to fraction form
    145,201,610.40/217,802,415.60 = 54,313,389.60/x
  3. Step 3: Cross multiply
    145,201,610.40x = 217,802,415.60 × 54,313,389.60
  4. Step 4: Simplify right side
    145,201,610.40x = 11,829,587,454,303,918
  5. Step 5: Solve for x
    x = 11,829,587,454,303,918/145,201,610.40
  6. Step 6: Final answer
    x = 81,470,084.40

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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.