Home / 207,330,896.37-310,997,507.16-69,156,124.15

Finding the Fourth Proportional to 207,330,896.37, 310,997,507.16 and 69,156,124.15

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Solution

The fourth proportional to 207,330,896.37, 310,997,507.16 and 69,156,124.15 is: 103,734,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,330,896.37 : 310,997,507.16 = 69,156,124.15 : x
  2. Step 2: Convert to fraction form
    207,330,896.37/310,997,507.16 = 69,156,124.15/x
  3. Step 3: Cross multiply
    207,330,896.37x = 310,997,507.16 × 69,156,124.15
  4. Step 4: Simplify right side
    207,330,896.37x = 21,507,382,215,497,476
  5. Step 5: Solve for x
    x = 21,507,382,215,497,476/207,330,896.37
  6. Step 6: Final answer
    x = 103,734,574.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.