Home / 72,586,622.30-108,889,264.65-36,213,604.70

Finding the Fourth Proportional to 72,586,622.30, 108,889,264.65 and 36,213,604.70

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Solution

The fourth proportional to 72,586,622.30, 108,889,264.65 and 36,213,604.70 is: 54,325,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,586,622.30 : 108,889,264.65 = 36,213,604.70 : x
  2. Step 2: Convert to fraction form
    72,586,622.30/108,889,264.65 = 36,213,604.70/x
  3. Step 3: Cross multiply
    72,586,622.30x = 108,889,264.65 × 36,213,604.70
  4. Step 4: Simplify right side
    72,586,622.30x = 3,943,272,786,108,784.50
  5. Step 5: Solve for x
    x = 3,943,272,786,108,784.50/72,586,622.30
  6. Step 6: Final answer
    x = 54,325,062.40

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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.