Home / 205,637,683.44-308,507,578.92-102,055,503.36

Finding the Fourth Proportional to 205,637,683.44, 308,507,578.92 and 102,055,503.36

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Solution

The fourth proportional to 205,637,683.44, 308,507,578.92 and 102,055,503.36 is: 153,108,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,637,683.44 : 308,507,578.92 = 102,055,503.36 : x
  2. Step 2: Convert to fraction form
    205,637,683.44/308,507,578.92 = 102,055,503.36/x
  3. Step 3: Cross multiply
    205,637,683.44x = 308,507,578.92 × 102,055,503.36
  4. Step 4: Simplify right side
    205,637,683.44x = 31,484,896,257,055,528
  5. Step 5: Solve for x
    x = 31,484,896,257,055,528/205,637,683.44
  6. Step 6: Final answer
    x = 153,108,592.41

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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.