Home / 157,712,795.42-217,643,644.78-88,098,175.67

Finding the Fourth Proportional to 157,712,795.42, 217,643,644.78 and 88,098,175.67

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Solution

The fourth proportional to 157,712,795.42, 217,643,644.78 and 88,098,175.67 is: 121,575,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,712,795.42 : 217,643,644.78 = 88,098,175.67 : x
  2. Step 2: Convert to fraction form
    157,712,795.42/217,643,644.78 = 88,098,175.67/x
  3. Step 3: Cross multiply
    157,712,795.42x = 217,643,644.78 × 88,098,175.67
  4. Step 4: Simplify right side
    157,712,795.42x = 19,174,008,049,979,056
  5. Step 5: Solve for x
    x = 19,174,008,049,979,056/157,712,795.42
  6. Step 6: Final answer
    x = 121,575,475.21

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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.