Home / 207,047,825.60-310,571,738.40-159,272,081.60

Finding the Fourth Proportional to 207,047,825.60, 310,571,738.40 and 159,272,081.60

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Solution

The fourth proportional to 207,047,825.60, 310,571,738.40 and 159,272,081.60 is: 238,908,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,047,825.60 : 310,571,738.40 = 159,272,081.60 : x
  2. Step 2: Convert to fraction form
    207,047,825.60/310,571,738.40 = 159,272,081.60/x
  3. Step 3: Cross multiply
    207,047,825.60x = 310,571,738.40 × 159,272,081.60
  4. Step 4: Simplify right side
    207,047,825.60x = 49,465,407,261,098,648
  5. Step 5: Solve for x
    x = 49,465,407,261,098,648/207,047,825.60
  6. Step 6: Final answer
    x = 238,908,122.40

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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.