Home / 242,979,195.29-364,484,954.52-85,393,150.70

Finding the Fourth Proportional to 242,979,195.29, 364,484,954.52 and 85,393,150.70

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Solution

The fourth proportional to 242,979,195.29, 364,484,954.52 and 85,393,150.70 is: 128,095,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,979,195.29 : 364,484,954.52 = 85,393,150.70 : x
  2. Step 2: Convert to fraction form
    242,979,195.29/364,484,954.52 = 85,393,150.70/x
  3. Step 3: Cross multiply
    242,979,195.29x = 364,484,954.52 × 85,393,150.70
  4. Step 4: Simplify right side
    242,979,195.29x = 31,124,518,647,386,576
  5. Step 5: Solve for x
    x = 31,124,518,647,386,576/242,979,195.29
  6. Step 6: Final answer
    x = 128,095,405.91

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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.