Home / 157,374,592.64-217,177,147.06-86,808,611.06

Finding the Fourth Proportional to 157,374,592.64, 217,177,147.06 and 86,808,611.06

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Solution

The fourth proportional to 157,374,592.64, 217,177,147.06 and 86,808,611.06 is: 119,795,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,374,592.64 : 217,177,147.06 = 86,808,611.06 : x
  2. Step 2: Convert to fraction form
    157,374,592.64/217,177,147.06 = 86,808,611.06/x
  3. Step 3: Cross multiply
    157,374,592.64x = 217,177,147.06 × 86,808,611.06
  4. Step 4: Simplify right side
    157,374,592.64x = 18,852,846,490,577,884
  5. Step 5: Solve for x
    x = 18,852,846,490,577,884/157,374,592.64
  6. Step 6: Final answer
    x = 119,795,998.67

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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.