Home / 64,285,706.90-96,430,560.17-30,588,078.76

Finding the Fourth Proportional to 64,285,706.90, 96,430,560.17 and 30,588,078.76

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Solution

The fourth proportional to 64,285,706.90, 96,430,560.17 and 30,588,078.76 is: 45,883,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,285,706.90 : 96,430,560.17 = 30,588,078.76 : x
  2. Step 2: Convert to fraction form
    64,285,706.90/96,430,560.17 = 30,588,078.76/x
  3. Step 3: Cross multiply
    64,285,706.90x = 96,430,560.17 × 30,588,078.76
  4. Step 4: Simplify right side
    64,285,706.90x = 2,949,625,568,956,862.50
  5. Step 5: Solve for x
    x = 2,949,625,568,956,862.50/64,285,706.90
  6. Step 6: Final answer
    x = 45,883,069.68

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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.