Home / 65,790,439.20-98,285,815.71-42,572,224.44

Finding the Fourth Proportional to 65,790,439.20, 98,285,815.71 and 42,572,224.44

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Solution

The fourth proportional to 65,790,439.20, 98,285,815.71 and 42,572,224.44 is: 63,599,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790,439.20 : 98,285,815.71 = 42,572,224.44 : x
  2. Step 2: Convert to fraction form
    65,790,439.20/98,285,815.71 = 42,572,224.44/x
  3. Step 3: Cross multiply
    65,790,439.20x = 98,285,815.71 × 42,572,224.44
  4. Step 4: Simplify right side
    65,790,439.20x = 4,184,245,805,674,597.50
  5. Step 5: Solve for x
    x = 4,184,245,805,674,597.50/65,790,439.20
  6. Step 6: Final answer
    x = 63,599,602.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.