Home / 320,333,929.88-480,452,345.34-87,182,810.36

Finding the Fourth Proportional to 320,333,929.88, 480,452,345.34 and 87,182,810.36

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Solution

The fourth proportional to 320,333,929.88, 480,452,345.34 and 87,182,810.36 is: 130,761,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,333,929.88 : 480,452,345.34 = 87,182,810.36 : x
  2. Step 2: Convert to fraction form
    320,333,929.88/480,452,345.34 = 87,182,810.36/x
  3. Step 3: Cross multiply
    320,333,929.88x = 480,452,345.34 × 87,182,810.36
  4. Step 4: Simplify right side
    320,333,929.88x = 41,887,185,708,392,184
  5. Step 5: Solve for x
    x = 41,887,185,708,392,184/320,333,929.88
  6. Step 6: Final answer
    x = 130,761,002.20

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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.