Home / 42,678,980.80-58,896,989.13-23,099,865.73

Finding the Fourth Proportional to 42,678,980.80, 58,896,989.13 and 23,099,865.73

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Solution

The fourth proportional to 42,678,980.80, 58,896,989.13 and 23,099,865.73 is: 31,877,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678,980.80 : 58,896,989.13 = 23,099,865.73 : x
  2. Step 2: Convert to fraction form
    42,678,980.80/58,896,989.13 = 23,099,865.73/x
  3. Step 3: Cross multiply
    42,678,980.80x = 58,896,989.13 × 23,099,865.73
  4. Step 4: Simplify right side
    42,678,980.80x = 1,360,512,540,804,269.50
  5. Step 5: Solve for x
    x = 1,360,512,540,804,269.50/42,678,980.80
  6. Step 6: Final answer
    x = 31,877,812.34

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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.