Home / 103,584,006.40-155,376,009.60-35,428,921.60

Finding the Fourth Proportional to 103,584,006.40, 155,376,009.60 and 35,428,921.60

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Solution

The fourth proportional to 103,584,006.40, 155,376,009.60 and 35,428,921.60 is: 53,143,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,584,006.40 : 155,376,009.60 = 35,428,921.60 : x
  2. Step 2: Convert to fraction form
    103,584,006.40/155,376,009.60 = 35,428,921.60/x
  3. Step 3: Cross multiply
    103,584,006.40x = 155,376,009.60 × 35,428,921.60
  4. Step 4: Simplify right side
    103,584,006.40x = 5,504,804,462,639,247
  5. Step 5: Solve for x
    x = 5,504,804,462,639,247/103,584,006.40
  6. Step 6: Final answer
    x = 53,143,382.40

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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.