Home / 150,393,405.07-207,610,903.47-94,720,644.64

Finding the Fourth Proportional to 150,393,405.07, 207,610,903.47 and 94,720,644.64

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Solution

The fourth proportional to 150,393,405.07, 207,610,903.47 and 94,720,644.64 is: 130,757,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,393,405.07 : 207,610,903.47 = 94,720,644.64 : x
  2. Step 2: Convert to fraction form
    150,393,405.07/207,610,903.47 = 94,720,644.64/x
  3. Step 3: Cross multiply
    150,393,405.07x = 207,610,903.47 × 94,720,644.64
  4. Step 4: Simplify right side
    150,393,405.07x = 19,665,038,610,971,212
  5. Step 5: Solve for x
    x = 19,665,038,610,971,212/150,393,405.07
  6. Step 6: Final answer
    x = 130,757,320.12

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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.