Home / 178,997,730.98-247,014,388.08-100,681,337.52

Finding the Fourth Proportional to 178,997,730.98, 247,014,388.08 and 100,681,337.52

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Solution

The fourth proportional to 178,997,730.98, 247,014,388.08 and 100,681,337.52 is: 138,938,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,997,730.98 : 247,014,388.08 = 100,681,337.52 : x
  2. Step 2: Convert to fraction form
    178,997,730.98/247,014,388.08 = 100,681,337.52/x
  3. Step 3: Cross multiply
    178,997,730.98x = 247,014,388.08 × 100,681,337.52
  4. Step 4: Simplify right side
    178,997,730.98x = 24,869,738,978,578,744
  5. Step 5: Solve for x
    x = 24,869,738,978,578,744/178,997,730.98
  6. Step 6: Final answer
    x = 138,938,850.47

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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.