Home / 307,295,514.72-424,078,848.54-175,156,449.84

Finding the Fourth Proportional to 307,295,514.72, 424,078,848.54 and 175,156,449.84

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Solution

The fourth proportional to 307,295,514.72, 424,078,848.54 and 175,156,449.84 is: 241,722,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,295,514.72 : 424,078,848.54 = 175,156,449.84 : x
  2. Step 2: Convert to fraction form
    307,295,514.72/424,078,848.54 = 175,156,449.84/x
  3. Step 3: Cross multiply
    307,295,514.72x = 424,078,848.54 × 175,156,449.84
  4. Step 4: Simplify right side
    307,295,514.72x = 74,280,145,562,501,472
  5. Step 5: Solve for x
    x = 74,280,145,562,501,472/307,295,514.72
  6. Step 6: Final answer
    x = 241,722,192.50

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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.