Home / 77,280,643.68-106,604,688.24-62,768,761.44

Finding the Fourth Proportional to 77,280,643.68, 106,604,688.24 and 62,768,761.44

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Solution

The fourth proportional to 77,280,643.68, 106,604,688.24 and 62,768,761.44 is: 86,586,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,280,643.68 : 106,604,688.24 = 62,768,761.44 : x
  2. Step 2: Convert to fraction form
    77,280,643.68/106,604,688.24 = 62,768,761.44/x
  3. Step 3: Cross multiply
    77,280,643.68x = 106,604,688.24 × 62,768,761.44
  4. Step 4: Simplify right side
    77,280,643.68x = 6,691,444,244,522,133
  5. Step 5: Solve for x
    x = 6,691,444,244,522,133/77,280,643.68
  6. Step 6: Final answer
    x = 86,586,290.25

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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.