Home / 238,464,000.80-357,696,001.20-76,922,266.40

Finding the Fourth Proportional to 238,464,000.80, 357,696,001.20 and 76,922,266.40

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Solution

The fourth proportional to 238,464,000.80, 357,696,001.20 and 76,922,266.40 is: 115,383,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,000.80 : 357,696,001.20 = 76,922,266.40 : x
  2. Step 2: Convert to fraction form
    238,464,000.80/357,696,001.20 = 76,922,266.40/x
  3. Step 3: Cross multiply
    238,464,000.80x = 357,696,001.20 × 76,922,266.40
  4. Step 4: Simplify right side
    238,464,000.80x = 27,514,787,094,521,120
  5. Step 5: Solve for x
    x = 27,514,787,094,521,120/238,464,000.80
  6. Step 6: Final answer
    x = 115,383,399.60

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1.5x scale

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.