Home / 90,760,653.60-136,140,980.40-52,496,901.60

Finding the Fourth Proportional to 90,760,653.60, 136,140,980.40 and 52,496,901.60

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Solution

The fourth proportional to 90,760,653.60, 136,140,980.40 and 52,496,901.60 is: 78,745,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760,653.60 : 136,140,980.40 = 52,496,901.60 : x
  2. Step 2: Convert to fraction form
    90,760,653.60/136,140,980.40 = 52,496,901.60/x
  3. Step 3: Cross multiply
    90,760,653.60x = 136,140,980.40 × 52,496,901.60
  4. Step 4: Simplify right side
    90,760,653.60x = 7,146,979,651,786,329
  5. Step 5: Solve for x
    x = 7,146,979,651,786,329/90,760,653.60
  6. Step 6: Final answer
    x = 78,745,352.40

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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.