Home / 209,090,342.48-288,605,498.01-139,475,557.29

Finding the Fourth Proportional to 209,090,342.48, 288,605,498.01 and 139,475,557.29

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Solution

The fourth proportional to 209,090,342.48, 288,605,498.01 and 139,475,557.29 is: 192,516,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,090,342.48 : 288,605,498.01 = 139,475,557.29 : x
  2. Step 2: Convert to fraction form
    209,090,342.48/288,605,498.01 = 139,475,557.29/x
  3. Step 3: Cross multiply
    209,090,342.48x = 288,605,498.01 × 139,475,557.29
  4. Step 4: Simplify right side
    209,090,342.48x = 40,253,412,671,902,736
  5. Step 5: Solve for x
    x = 40,253,412,671,902,736/209,090,342.48
  6. Step 6: Final answer
    x = 192,516,843.18

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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.