Home / 320,333,929.50-480,452,344.78-87,182,809.98

Finding the Fourth Proportional to 320,333,929.50, 480,452,344.78 and 87,182,809.98

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Solution

The fourth proportional to 320,333,929.50, 480,452,344.78 and 87,182,809.98 is: 130,761,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,333,929.50 : 480,452,344.78 = 87,182,809.98 : x
  2. Step 2: Convert to fraction form
    320,333,929.50/480,452,344.78 = 87,182,809.98/x
  3. Step 3: Cross multiply
    320,333,929.50x = 480,452,344.78 × 87,182,809.98
  4. Step 4: Simplify right side
    320,333,929.50x = 41,887,185,478,894,600
  5. Step 5: Solve for x
    x = 41,887,185,478,894,600/320,333,929.50
  6. Step 6: Final answer
    x = 130,761,001.64

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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.