Home / 223,079,175.36-307,843,124.40-123,957,362.88

Finding the Fourth Proportional to 223,079,175.36, 307,843,124.40 and 123,957,362.88

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Solution

The fourth proportional to 223,079,175.36, 307,843,124.40 and 123,957,362.88 is: 171,057,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,079,175.36 : 307,843,124.40 = 123,957,362.88 : x
  2. Step 2: Convert to fraction form
    223,079,175.36/307,843,124.40 = 123,957,362.88/x
  3. Step 3: Cross multiply
    223,079,175.36x = 307,843,124.40 × 123,957,362.88
  4. Step 4: Simplify right side
    223,079,175.36x = 38,159,421,881,363,776
  5. Step 5: Solve for x
    x = 38,159,421,881,363,776/223,079,175.36
  6. Step 6: Final answer
    x = 171,057,750.32

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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.