Home / 142,832,026.51-197,110,356.24-80,122,025.35

Finding the Fourth Proportional to 142,832,026.51, 197,110,356.24 and 80,122,025.35

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Solution

The fourth proportional to 142,832,026.51, 197,110,356.24 and 80,122,025.35 is: 110,569,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,026.51 : 197,110,356.24 = 80,122,025.35 : x
  2. Step 2: Convert to fraction form
    142,832,026.51/197,110,356.24 = 80,122,025.35/x
  3. Step 3: Cross multiply
    142,832,026.51x = 197,110,356.24 × 80,122,025.35
  4. Step 4: Simplify right side
    142,832,026.51x = 15,792,880,959,408,810
  5. Step 5: Solve for x
    x = 15,792,880,959,408,810/142,832,026.51
  6. Step 6: Final answer
    x = 110,569,606.45

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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.