Home / 155,321,962.40-233,318,866.80-109,972,330.40

Finding the Fourth Proportional to 155,321,962.40, 233,318,866.80 and 109,972,330.40

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Solution

The fourth proportional to 155,321,962.40, 233,318,866.80 and 109,972,330.40 is: 165,196,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,321,962.40 : 233,318,866.80 = 109,972,330.40 : x
  2. Step 2: Convert to fraction form
    155,321,962.40/233,318,866.80 = 109,972,330.40/x
  3. Step 3: Cross multiply
    155,321,962.40x = 233,318,866.80 × 109,972,330.40
  4. Step 4: Simplify right side
    155,321,962.40x = 25,658,619,508,283,192
  5. Step 5: Solve for x
    x = 25,658,619,508,283,192/155,321,962.40
  6. Step 6: Final answer
    x = 165,196,338.70

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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.