Home / 238,319,936.40-357,479,904.60-147,620,672.40

Finding the Fourth Proportional to 238,319,936.40, 357,479,904.60 and 147,620,672.40

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Solution

The fourth proportional to 238,319,936.40, 357,479,904.60 and 147,620,672.40 is: 221,431,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,319,936.40 : 357,479,904.60 = 147,620,672.40 : x
  2. Step 2: Convert to fraction form
    238,319,936.40/357,479,904.60 = 147,620,672.40/x
  3. Step 3: Cross multiply
    238,319,936.40x = 357,479,904.60 × 147,620,672.40
  4. Step 4: Simplify right side
    238,319,936.40x = 52,771,423,886,539,856
  5. Step 5: Solve for x
    x = 52,771,423,886,539,856/238,319,936.40
  6. Step 6: Final answer
    x = 221,431,008.60

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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.