Home / 65,352,970.72-98,040,095.60-19,299,497.76

Finding the Fourth Proportional to 65,352,970.72, 98,040,095.60 and 19,299,497.76

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Solution

The fourth proportional to 65,352,970.72, 98,040,095.60 and 19,299,497.76 is: 28,952,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352,970.72 : 98,040,095.60 = 19,299,497.76 : x
  2. Step 2: Convert to fraction form
    65,352,970.72/98,040,095.60 = 19,299,497.76/x
  3. Step 3: Cross multiply
    65,352,970.72x = 98,040,095.60 × 19,299,497.76
  4. Step 4: Simplify right side
    65,352,970.72x = 1,892,124,605,422,386
  5. Step 5: Solve for x
    x = 1,892,124,605,422,386/65,352,970.72
  6. Step 6: Final answer
    x = 28,952,388.61

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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.