Home / 68,485,457.43-102,726,688.95-16,670,333.75

Finding the Fourth Proportional to 68,485,457.43, 102,726,688.95 and 16,670,333.75

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Solution

The fourth proportional to 68,485,457.43, 102,726,688.95 and 16,670,333.75 is: 25,005,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,485,457.43 : 102,726,688.95 = 16,670,333.75 : x
  2. Step 2: Convert to fraction form
    68,485,457.43/102,726,688.95 = 16,670,333.75/x
  3. Step 3: Cross multiply
    68,485,457.43x = 102,726,688.95 × 16,670,333.75
  4. Step 4: Simplify right side
    68,485,457.43x = 1,712,488,189,315,303.50
  5. Step 5: Solve for x
    x = 1,712,488,189,315,303.50/68,485,457.43
  6. Step 6: Final answer
    x = 25,005,136.18

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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.