Home / 208,852,208.72-288,220,848.36-114,772,204.80

Finding the Fourth Proportional to 208,852,208.72, 288,220,848.36 and 114,772,204.80

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Solution

The fourth proportional to 208,852,208.72, 288,220,848.36 and 114,772,204.80 is: 158,388,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,852,208.72 : 288,220,848.36 = 114,772,204.80 : x
  2. Step 2: Convert to fraction form
    208,852,208.72/288,220,848.36 = 114,772,204.80/x
  3. Step 3: Cross multiply
    208,852,208.72x = 288,220,848.36 × 114,772,204.80
  4. Step 4: Simplify right side
    208,852,208.72x = 33,079,742,235,603,664
  5. Step 5: Solve for x
    x = 33,079,742,235,603,664/208,852,208.72
  6. Step 6: Final answer
    x = 158,388,280.59

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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.