Home / 201,192,342.90-301,788,514.35-139,970,339.70

Finding the Fourth Proportional to 201,192,342.90, 301,788,514.35 and 139,970,339.70

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Solution

The fourth proportional to 201,192,342.90, 301,788,514.35 and 139,970,339.70 is: 209,955,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,192,342.90 : 301,788,514.35 = 139,970,339.70 : x
  2. Step 2: Convert to fraction form
    201,192,342.90/301,788,514.35 = 139,970,339.70/x
  3. Step 3: Cross multiply
    201,192,342.90x = 301,788,514.35 × 139,970,339.70
  4. Step 4: Simplify right side
    201,192,342.90x = 42,241,440,871,127,824
  5. Step 5: Solve for x
    x = 42,241,440,871,127,824/201,192,342.90
  6. Step 6: Final answer
    x = 209,955,509.55

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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.