Home / 242,979,173.92-364,484,922.48-85,393,129.32

Finding the Fourth Proportional to 242,979,173.92, 364,484,922.48 and 85,393,129.32

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Solution

The fourth proportional to 242,979,173.92, 364,484,922.48 and 85,393,129.32 is: 128,095,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,979,173.92 : 364,484,922.48 = 85,393,129.32 : x
  2. Step 2: Convert to fraction form
    242,979,173.92/364,484,922.48 = 85,393,129.32/x
  3. Step 3: Cross multiply
    242,979,173.92x = 364,484,922.48 × 85,393,129.32
  4. Step 4: Simplify right side
    242,979,173.92x = 31,124,508,120,524,816
  5. Step 5: Solve for x
    x = 31,124,508,120,524,816/242,979,173.92
  6. Step 6: Final answer
    x = 128,095,373.85

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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.