Home / 368,784,862.80-553,205,287.80-109,979,883.60

Finding the Fourth Proportional to 368,784,862.80, 553,205,287.80 and 109,979,883.60

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Solution

The fourth proportional to 368,784,862.80, 553,205,287.80 and 109,979,883.60 is: 164,978,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,784,862.80 : 553,205,287.80 = 109,979,883.60 : x
  2. Step 2: Convert to fraction form
    368,784,862.80/553,205,287.80 = 109,979,883.60/x
  3. Step 3: Cross multiply
    368,784,862.80x = 553,205,287.80 × 109,979,883.60
  4. Step 4: Simplify right side
    368,784,862.80x = 60,841,453,159,148,488
  5. Step 5: Solve for x
    x = 60,841,453,159,148,488/368,784,862.80
  6. Step 6: Final answer
    x = 164,978,173.72

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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.