Home / 154,514,155.20-213,248,072.52-92,668,516.80

Finding the Fourth Proportional to 154,514,155.20, 213,248,072.52 and 92,668,516.80

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Solution

The fourth proportional to 154,514,155.20, 213,248,072.52 and 92,668,516.80 is: 127,893,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,514,155.20 : 213,248,072.52 = 92,668,516.80 : x
  2. Step 2: Convert to fraction form
    154,514,155.20/213,248,072.52 = 92,668,516.80/x
  3. Step 3: Cross multiply
    154,514,155.20x = 213,248,072.52 × 92,668,516.80
  4. Step 4: Simplify right side
    154,514,155.20x = 19,761,382,590,887,240
  5. Step 5: Solve for x
    x = 19,761,382,590,887,240/154,514,155.20
  6. Step 6: Final answer
    x = 127,893,671.39

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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.