Home / 100,982,068.40-151,417,115.40-43,464,551.60

Finding the Fourth Proportional to 100,982,068.40, 151,417,115.40 and 43,464,551.60

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Solution

The fourth proportional to 100,982,068.40, 151,417,115.40 and 43,464,551.60 is: 65,172,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,982,068.40 : 151,417,115.40 = 43,464,551.60 : x
  2. Step 2: Convert to fraction form
    100,982,068.40/151,417,115.40 = 43,464,551.60/x
  3. Step 3: Cross multiply
    100,982,068.40x = 151,417,115.40 × 43,464,551.60
  4. Step 4: Simplify right side
    100,982,068.40x = 6,581,277,025,426,455
  5. Step 5: Solve for x
    x = 6,581,277,025,426,455/100,982,068.40
  6. Step 6: Final answer
    x = 65,172,729.47

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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.