Home / 103,058,761.06-142,219,496.28-56,648,017.72

Finding the Fourth Proportional to 103,058,761.06, 142,219,496.28 and 56,648,017.72

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Solution

The fourth proportional to 103,058,761.06, 142,219,496.28 and 56,648,017.72 is: 78,173,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,058,761.06 : 142,219,496.28 = 56,648,017.72 : x
  2. Step 2: Convert to fraction form
    103,058,761.06/142,219,496.28 = 56,648,017.72/x
  3. Step 3: Cross multiply
    103,058,761.06x = 142,219,496.28 × 56,648,017.72
  4. Step 4: Simplify right side
    103,058,761.06x = 8,056,452,545,398,914
  5. Step 5: Solve for x
    x = 8,056,452,545,398,914/103,058,761.06
  6. Step 6: Final answer
    x = 78,173,388.29

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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.