Home / 157,770,873.76-217,724,900.16-88,159,188.64

Finding the Fourth Proportional to 157,770,873.76, 217,724,900.16 and 88,159,188.64

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Solution

The fourth proportional to 157,770,873.76, 217,724,900.16 and 88,159,188.64 is: 121,660,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,770,873.76 : 217,724,900.16 = 88,159,188.64 : x
  2. Step 2: Convert to fraction form
    157,770,873.76/217,724,900.16 = 88,159,188.64/x
  3. Step 3: Cross multiply
    157,770,873.76x = 217,724,900.16 × 88,159,188.64
  4. Step 4: Simplify right side
    157,770,873.76x = 19,194,450,544,830,604
  5. Step 5: Solve for x
    x = 19,194,450,544,830,604/157,770,873.76
  6. Step 6: Final answer
    x = 121,660,291.84

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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.