Home / 72,586,621.30-108,889,263.15-36,213,603.70

Finding the Fourth Proportional to 72,586,621.30, 108,889,263.15 and 36,213,603.70

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Solution

The fourth proportional to 72,586,621.30, 108,889,263.15 and 36,213,603.70 is: 54,325,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,586,621.30 : 108,889,263.15 = 36,213,603.70 : x
  2. Step 2: Convert to fraction form
    72,586,621.30/108,889,263.15 = 36,213,603.70/x
  3. Step 3: Cross multiply
    72,586,621.30x = 108,889,263.15 × 36,213,603.70
  4. Step 4: Simplify right side
    72,586,621.30x = 3,943,272,622,899,114
  5. Step 5: Solve for x
    x = 3,943,272,622,899,114/72,586,621.30
  6. Step 6: Final answer
    x = 54,325,060.90

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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.