Home / 131,580,424.40-197,484,010.74-91,219,251.92

Finding the Fourth Proportional to 131,580,424.40, 197,484,010.74 and 91,219,251.92

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Solution

The fourth proportional to 131,580,424.40, 197,484,010.74 and 91,219,251.92 is: 136,907,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,580,424.40 : 197,484,010.74 = 91,219,251.92 : x
  2. Step 2: Convert to fraction form
    131,580,424.40/197,484,010.74 = 91,219,251.92/x
  3. Step 3: Cross multiply
    131,580,424.40x = 197,484,010.74 × 91,219,251.92
  4. Step 4: Simplify right side
    131,580,424.40x = 18,014,343,724,876,628
  5. Step 5: Solve for x
    x = 18,014,343,724,876,628/131,580,424.40
  6. Step 6: Final answer
    x = 136,907,475.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.