Home / 131,764,546.35-181,729,048.03-115,835,572.76

Finding the Fourth Proportional to 131,764,546.35, 181,729,048.03 and 115,835,572.76

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Solution

The fourth proportional to 131,764,546.35, 181,729,048.03 and 115,835,572.76 is: 159,759,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,764,546.35 : 181,729,048.03 = 115,835,572.76 : x
  2. Step 2: Convert to fraction form
    131,764,546.35/181,729,048.03 = 115,835,572.76/x
  3. Step 3: Cross multiply
    131,764,546.35x = 181,729,048.03 × 115,835,572.76
  4. Step 4: Simplify right side
    131,764,546.35x = 21,050,688,364,486,364
  5. Step 5: Solve for x
    x = 21,050,688,364,486,364/131,764,546.35
  6. Step 6: Final answer
    x = 159,759,881.91

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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.