Home / 103,058,776.56-142,219,517.67-56,648,033.22

Finding the Fourth Proportional to 103,058,776.56, 142,219,517.67 and 56,648,033.22

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Solution

The fourth proportional to 103,058,776.56, 142,219,517.67 and 56,648,033.22 is: 78,173,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,058,776.56 : 142,219,517.67 = 56,648,033.22 : x
  2. Step 2: Convert to fraction form
    103,058,776.56/142,219,517.67 = 56,648,033.22/x
  3. Step 3: Cross multiply
    103,058,776.56x = 142,219,517.67 × 56,648,033.22
  4. Step 4: Simplify right side
    103,058,776.56x = 8,056,455,961,502,536
  5. Step 5: Solve for x
    x = 8,056,455,961,502,536/103,058,776.56
  6. Step 6: Final answer
    x = 78,173,409.68

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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.