Home / 207,330,897.94-310,997,509.51-69,156,125.71

Finding the Fourth Proportional to 207,330,897.94, 310,997,509.51 and 69,156,125.71

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Solution

The fourth proportional to 207,330,897.94, 310,997,509.51 and 69,156,125.71 is: 103,734,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,330,897.94 : 310,997,509.51 = 69,156,125.71 : x
  2. Step 2: Convert to fraction form
    207,330,897.94/310,997,509.51 = 69,156,125.71/x
  3. Step 3: Cross multiply
    207,330,897.94x = 310,997,509.51 × 69,156,125.71
  4. Step 4: Simplify right side
    207,330,897.94x = 21,507,382,863,170,476
  5. Step 5: Solve for x
    x = 21,507,382,863,170,476/207,330,897.94
  6. Step 6: Final answer
    x = 103,734,576.36

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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.