Home / 310,801,266.54-428,903,565.93-169,672,486.93

Finding the Fourth Proportional to 310,801,266.54, 428,903,565.93 and 169,672,486.93

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Solution

The fourth proportional to 310,801,266.54, 428,903,565.93 and 169,672,486.93 is: 234,146,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,801,266.54 : 428,903,565.93 = 169,672,486.93 : x
  2. Step 2: Convert to fraction form
    310,801,266.54/428,903,565.93 = 169,672,486.93/x
  3. Step 3: Cross multiply
    310,801,266.54x = 428,903,565.93 × 169,672,486.93
  4. Step 4: Simplify right side
    310,801,266.54x = 72,773,134,684,684,864
  5. Step 5: Solve for x
    x = 72,773,134,684,684,864/310,801,266.54
  6. Step 6: Final answer
    x = 234,146,840.82

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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.