Home / 92,880,355.52-128,171,662.20-59,841,997.28

Finding the Fourth Proportional to 92,880,355.52, 128,171,662.20 and 59,841,997.28

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Solution

The fourth proportional to 92,880,355.52, 128,171,662.20 and 59,841,997.28 is: 82,579,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880,355.52 : 128,171,662.20 = 59,841,997.28 : x
  2. Step 2: Convert to fraction form
    92,880,355.52/128,171,662.20 = 59,841,997.28/x
  3. Step 3: Cross multiply
    92,880,355.52x = 128,171,662.20 × 59,841,997.28
  4. Step 4: Simplify right side
    92,880,355.52x = 7,670,048,260,745,479
  5. Step 5: Solve for x
    x = 7,670,048,260,745,479/92,880,355.52
  6. Step 6: Final answer
    x = 82,579,876.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.