Home / 207,133,649.31-285,937,654.05-136,611,096.40

Finding the Fourth Proportional to 207,133,649.31, 285,937,654.05 and 136,611,096.40

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Solution

The fourth proportional to 207,133,649.31, 285,937,654.05 and 136,611,096.40 is: 188,584,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,133,649.31 : 285,937,654.05 = 136,611,096.40 : x
  2. Step 2: Convert to fraction form
    207,133,649.31/285,937,654.05 = 136,611,096.40/x
  3. Step 3: Cross multiply
    207,133,649.31x = 285,937,654.05 × 136,611,096.40
  4. Step 4: Simplify right side
    207,133,649.31x = 39,062,256,421,814,400
  5. Step 5: Solve for x
    x = 39,062,256,421,814,400/207,133,649.31
  6. Step 6: Final answer
    x = 188,584,793.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.