Home / 387,171,623.03-534,290,112.62-210,961,066.36

Finding the Fourth Proportional to 387,171,623.03, 534,290,112.62 and 210,961,066.36

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Solution

The fourth proportional to 387,171,623.03, 534,290,112.62 and 210,961,066.36 is: 291,122,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,171,623.03 : 534,290,112.62 = 210,961,066.36 : x
  2. Step 2: Convert to fraction form
    387,171,623.03/534,290,112.62 = 210,961,066.36/x
  3. Step 3: Cross multiply
    387,171,623.03x = 534,290,112.62 × 210,961,066.36
  4. Step 4: Simplify right side
    387,171,623.03x = 112,714,411,901,248,240
  5. Step 5: Solve for x
    x = 112,714,411,901,248,240/387,171,623.03
  6. Step 6: Final answer
    x = 291,122,606.09

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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.