Home / 76,653,206.40-114,979,809.60-36,342,422.40

Finding the Fourth Proportional to 76,653,206.40, 114,979,809.60 and 36,342,422.40

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Solution

The fourth proportional to 76,653,206.40, 114,979,809.60 and 36,342,422.40 is: 54,513,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,653,206.40 : 114,979,809.60 = 36,342,422.40 : x
  2. Step 2: Convert to fraction form
    76,653,206.40/114,979,809.60 = 36,342,422.40/x
  3. Step 3: Cross multiply
    76,653,206.40x = 114,979,809.60 × 36,342,422.40
  4. Step 4: Simplify right side
    76,653,206.40x = 4,178,644,807,954,774.50
  5. Step 5: Solve for x
    x = 4,178,644,807,954,774.50/76,653,206.40
  6. Step 6: Final answer
    x = 54,513,633.60

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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.