Home / 205,901,479.08-284,142,942.03-111,814,803.57

Finding the Fourth Proportional to 205,901,479.08, 284,142,942.03 and 111,814,803.57

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Solution

The fourth proportional to 205,901,479.08, 284,142,942.03 and 111,814,803.57 is: 154,303,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,901,479.08 : 284,142,942.03 = 111,814,803.57 : x
  2. Step 2: Convert to fraction form
    205,901,479.08/284,142,942.03 = 111,814,803.57/x
  3. Step 3: Cross multiply
    205,901,479.08x = 284,142,942.03 × 111,814,803.57
  4. Step 4: Simplify right side
    205,901,479.08x = 31,771,387,248,886,340
  5. Step 5: Solve for x
    x = 31,771,387,248,886,340/205,901,479.08
  6. Step 6: Final answer
    x = 154,303,832.06

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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.