Home / 279,927,118.74-420,078,131.54-116,165,032.74

Finding the Fourth Proportional to 279,927,118.74, 420,078,131.54 and 116,165,032.74

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Solution

The fourth proportional to 279,927,118.74, 420,078,131.54 and 116,165,032.74 is: 174,325,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,927,118.74 : 420,078,131.54 = 116,165,032.74 : x
  2. Step 2: Convert to fraction form
    279,927,118.74/420,078,131.54 = 116,165,032.74/x
  3. Step 3: Cross multiply
    279,927,118.74x = 420,078,131.54 × 116,165,032.74
  4. Step 4: Simplify right side
    279,927,118.74x = 48,798,389,903,121,304
  5. Step 5: Solve for x
    x = 48,798,389,903,121,304/279,927,118.74
  6. Step 6: Final answer
    x = 174,325,339.12

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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.