Home / 238,583,899.76-357,979,479.96-129,486,148.16

Finding the Fourth Proportional to 238,583,899.76, 357,979,479.96 and 129,486,148.16

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Solution

The fourth proportional to 238,583,899.76, 357,979,479.96 and 129,486,148.16 is: 194,285,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,583,899.76 : 357,979,479.96 = 129,486,148.16 : x
  2. Step 2: Convert to fraction form
    238,583,899.76/357,979,479.96 = 129,486,148.16/x
  3. Step 3: Cross multiply
    238,583,899.76x = 357,979,479.96 × 129,486,148.16
  4. Step 4: Simplify right side
    238,583,899.76x = 46,353,383,980,340,304
  5. Step 5: Solve for x
    x = 46,353,383,980,340,304/238,583,899.76
  6. Step 6: Final answer
    x = 194,285,465.31

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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.