Home / 279,388,141.52-385,564,377-160,332,514.34

Finding the Fourth Proportional to 279,388,141.52, 385,564,377 and 160,332,514.34

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Solution

The fourth proportional to 279,388,141.52, 385,564,377 and 160,332,514.34 is: 221,263,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,388,141.52 : 385,564,377 = 160,332,514.34 : x
  2. Step 2: Convert to fraction form
    279,388,141.52/385,564,377 = 160,332,514.34/x
  3. Step 3: Cross multiply
    279,388,141.52x = 385,564,377 × 160,332,514.34
  4. Step 4: Simplify right side
    279,388,141.52x = 61,818,506,004,345,664
  5. Step 5: Solve for x
    x = 61,818,506,004,345,664/279,388,141.52
  6. Step 6: Final answer
    x = 221,263,886.39

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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.