Home / 205,758,165.06-284,181,929.28-135,507,810.33

Finding the Fourth Proportional to 205,758,165.06, 284,181,929.28 and 135,507,810.33

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Solution

The fourth proportional to 205,758,165.06, 284,181,929.28 and 135,507,810.33 is: 187,155,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,758,165.06 : 284,181,929.28 = 135,507,810.33 : x
  2. Step 2: Convert to fraction form
    205,758,165.06/284,181,929.28 = 135,507,810.33/x
  3. Step 3: Cross multiply
    205,758,165.06x = 284,181,929.28 × 135,507,810.33
  4. Step 4: Simplify right side
    205,758,165.06x = 38,508,870,972,087,712
  5. Step 5: Solve for x
    x = 38,508,870,972,087,712/205,758,165.06
  6. Step 6: Final answer
    x = 187,155,979.74

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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.