Home / 65,959,280.40-98,789,621.40-39,085,424.40

Finding the Fourth Proportional to 65,959,280.40, 98,789,621.40 and 39,085,424.40

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Solution

The fourth proportional to 65,959,280.40, 98,789,621.40 and 39,085,424.40 is: 58,539,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,959,280.40 : 98,789,621.40 = 39,085,424.40 : x
  2. Step 2: Convert to fraction form
    65,959,280.40/98,789,621.40 = 39,085,424.40/x
  3. Step 3: Cross multiply
    65,959,280.40x = 98,789,621.40 × 39,085,424.40
  4. Step 4: Simplify right side
    65,959,280.40x = 3,861,234,278,734,322
  5. Step 5: Solve for x
    x = 3,861,234,278,734,322/65,959,280.40
  6. Step 6: Final answer
    x = 58,539,666.52

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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.