Home / 157,970,889.93-218,001,209.85-88,362,747.75

Finding the Fourth Proportional to 157,970,889.93, 218,001,209.85 and 88,362,747.75

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Solution

The fourth proportional to 157,970,889.93, 218,001,209.85 and 88,362,747.75 is: 121,941,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,970,889.93 : 218,001,209.85 = 88,362,747.75 : x
  2. Step 2: Convert to fraction form
    157,970,889.93/218,001,209.85 = 88,362,747.75/x
  3. Step 3: Cross multiply
    157,970,889.93x = 218,001,209.85 × 88,362,747.75
  4. Step 4: Simplify right side
    157,970,889.93x = 19,263,185,915,170,364
  5. Step 5: Solve for x
    x = 19,263,185,915,170,364/157,970,889.93
  6. Step 6: Final answer
    x = 121,941,364.79

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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.