Home / 77,345,712.02-106,737,797.49-42,063,852.62

Finding the Fourth Proportional to 77,345,712.02, 106,737,797.49 and 42,063,852.62

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Solution

The fourth proportional to 77,345,712.02, 106,737,797.49 and 42,063,852.62 is: 58,048,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,345,712.02 : 106,737,797.49 = 42,063,852.62 : x
  2. Step 2: Convert to fraction form
    77,345,712.02/106,737,797.49 = 42,063,852.62/x
  3. Step 3: Cross multiply
    77,345,712.02x = 106,737,797.49 × 42,063,852.62
  4. Step 4: Simplify right side
    77,345,712.02x = 4,489,802,982,602,765.50
  5. Step 5: Solve for x
    x = 4,489,802,982,602,765.50/77,345,712.02
  6. Step 6: Final answer
    x = 58,048,505.41

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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.