Home / 205,637,685.44-308,507,581.92-102,055,505.36

Finding the Fourth Proportional to 205,637,685.44, 308,507,581.92 and 102,055,505.36

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Solution

The fourth proportional to 205,637,685.44, 308,507,581.92 and 102,055,505.36 is: 153,108,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,637,685.44 : 308,507,581.92 = 102,055,505.36 : x
  2. Step 2: Convert to fraction form
    205,637,685.44/308,507,581.92 = 102,055,505.36/x
  3. Step 3: Cross multiply
    205,637,685.44x = 308,507,581.92 × 102,055,505.36
  4. Step 4: Simplify right side
    205,637,685.44x = 31,484,897,180,237,200
  5. Step 5: Solve for x
    x = 31,484,897,180,237,200/205,637,685.44
  6. Step 6: Final answer
    x = 153,108,595.41

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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.