Home / 101,345,695.07-139,856,012.96-56,691,088.34

Finding the Fourth Proportional to 101,345,695.07, 139,856,012.96 and 56,691,088.34

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Solution

The fourth proportional to 101,345,695.07, 139,856,012.96 and 56,691,088.34 is: 78,233,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,345,695.07 : 139,856,012.96 = 56,691,088.34 : x
  2. Step 2: Convert to fraction form
    101,345,695.07/139,856,012.96 = 56,691,088.34/x
  3. Step 3: Cross multiply
    101,345,695.07x = 139,856,012.96 × 56,691,088.34
  4. Step 4: Simplify right side
    101,345,695.07x = 7,928,589,584,612,810
  5. Step 5: Solve for x
    x = 7,928,589,584,612,810/101,345,695.07
  6. Step 6: Final answer
    x = 78,233,116.66

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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.