Home / 150,147,474.10-207,205,653.21-86,566,555.39

Finding the Fourth Proportional to 150,147,474.10, 207,205,653.21 and 86,566,555.39

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Solution

The fourth proportional to 150,147,474.10, 207,205,653.21 and 86,566,555.39 is: 119,463,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,147,474.10 : 207,205,653.21 = 86,566,555.39 : x
  2. Step 2: Convert to fraction form
    150,147,474.10/207,205,653.21 = 86,566,555.39/x
  3. Step 3: Cross multiply
    150,147,474.10x = 207,205,653.21 × 86,566,555.39
  4. Step 4: Simplify right side
    150,147,474.10x = 17,937,079,655,724,598
  5. Step 5: Solve for x
    x = 17,937,079,655,724,598/150,147,474.10
  6. Step 6: Final answer
    x = 119,463,079.64

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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.