Home / 320,810,139.06-442,706,537.16-181,577,911.47

Finding the Fourth Proportional to 320,810,139.06, 442,706,537.16 and 181,577,911.47

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Solution

The fourth proportional to 320,810,139.06, 442,706,537.16 and 181,577,911.47 is: 250,571,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,810,139.06 : 442,706,537.16 = 181,577,911.47 : x
  2. Step 2: Convert to fraction form
    320,810,139.06/442,706,537.16 = 181,577,911.47/x
  3. Step 3: Cross multiply
    320,810,139.06x = 442,706,537.16 × 181,577,911.47
  4. Step 4: Simplify right side
    320,810,139.06x = 80,385,728,411,628,752
  5. Step 5: Solve for x
    x = 80,385,728,411,628,752/320,810,139.06
  6. Step 6: Final answer
    x = 250,571,034.47

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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.