Home / 268,078,862.02-369,978,785.64-162,290,565.12

Finding the Fourth Proportional to 268,078,862.02, 369,978,785.64 and 162,290,565.12

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Solution

The fourth proportional to 268,078,862.02, 369,978,785.64 and 162,290,565.12 is: 223,979,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,078,862.02 : 369,978,785.64 = 162,290,565.12 : x
  2. Step 2: Convert to fraction form
    268,078,862.02/369,978,785.64 = 162,290,565.12/x
  3. Step 3: Cross multiply
    268,078,862.02x = 369,978,785.64 × 162,290,565.12
  4. Step 4: Simplify right side
    268,078,862.02x = 60,044,066,203,926,944
  5. Step 5: Solve for x
    x = 60,044,066,203,926,944/268,078,862.02
  6. Step 6: Final answer
    x = 223,979,114.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.