Home / 238,328,261.04-328,920,555.42-139,233,779.28

Finding the Fourth Proportional to 238,328,261.04, 328,920,555.42 and 139,233,779.28

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Solution

The fourth proportional to 238,328,261.04, 328,920,555.42 and 139,233,779.28 is: 192,158,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,328,261.04 : 328,920,555.42 = 139,233,779.28 : x
  2. Step 2: Convert to fraction form
    238,328,261.04/328,920,555.42 = 139,233,779.28/x
  3. Step 3: Cross multiply
    238,328,261.04x = 328,920,555.42 × 139,233,779.28
  4. Step 4: Simplify right side
    238,328,261.04x = 45,796,852,014,003,288
  5. Step 5: Solve for x
    x = 45,796,852,014,003,288/238,328,261.04
  6. Step 6: Final answer
    x = 192,158,713.42

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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.