Home / 179,725,526.16-247,978,411.32-123,953,118.72

Finding the Fourth Proportional to 179,725,526.16, 247,978,411.32 and 123,953,118.72

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Solution

The fourth proportional to 179,725,526.16, 247,978,411.32 and 123,953,118.72 is: 171,025,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,725,526.16 : 247,978,411.32 = 123,953,118.72 : x
  2. Step 2: Convert to fraction form
    179,725,526.16/247,978,411.32 = 123,953,118.72/x
  3. Step 3: Cross multiply
    179,725,526.16x = 247,978,411.32 × 123,953,118.72
  4. Step 4: Simplify right side
    179,725,526.16x = 30,737,697,458,344,952
  5. Step 5: Solve for x
    x = 30,737,697,458,344,952/179,725,526.16
  6. Step 6: Final answer
    x = 171,025,775.33

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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.