Home / 72,683,715.45-109,074,057.12-37,701,070.95

Finding the Fourth Proportional to 72,683,715.45, 109,074,057.12 and 37,701,070.95

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Solution

The fourth proportional to 72,683,715.45, 109,074,057.12 and 37,701,070.95 is: 56,576,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,683,715.45 : 109,074,057.12 = 37,701,070.95 : x
  2. Step 2: Convert to fraction form
    72,683,715.45/109,074,057.12 = 37,701,070.95/x
  3. Step 3: Cross multiply
    72,683,715.45x = 109,074,057.12 × 37,701,070.95
  4. Step 4: Simplify right side
    72,683,715.45x = 4,112,208,766,285,473
  5. Step 5: Solve for x
    x = 4,112,208,766,285,473/72,683,715.45
  6. Step 6: Final answer
    x = 56,576,755.07

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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.