Home / 75,487,340.48-104,171,984-42,892,292.48

Finding the Fourth Proportional to 75,487,340.48, 104,171,984 and 42,892,292.48

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Solution

The fourth proportional to 75,487,340.48, 104,171,984 and 42,892,292.48 is: 59,191,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,487,340.48 : 104,171,984 = 42,892,292.48 : x
  2. Step 2: Convert to fraction form
    75,487,340.48/104,171,984 = 42,892,292.48/x
  3. Step 3: Cross multiply
    75,487,340.48x = 104,171,984 × 42,892,292.48
  4. Step 4: Simplify right side
    75,487,340.48x = 4,468,175,205,949,880
  5. Step 5: Solve for x
    x = 4,468,175,205,949,880/75,487,340.48
  6. Step 6: Final answer
    x = 59,191,053.46

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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.