Home / 189,581,996.40-284,372,994.60-167,663,007.60

Finding the Fourth Proportional to 189,581,996.40, 284,372,994.60 and 167,663,007.60

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Solution

The fourth proportional to 189,581,996.40, 284,372,994.60 and 167,663,007.60 is: 251,494,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581,996.40 : 284,372,994.60 = 167,663,007.60 : x
  2. Step 2: Convert to fraction form
    189,581,996.40/284,372,994.60 = 167,663,007.60/x
  3. Step 3: Cross multiply
    189,581,996.40x = 284,372,994.60 × 167,663,007.60
  4. Step 4: Simplify right side
    189,581,996.40x = 47,678,831,554,854,560
  5. Step 5: Solve for x
    x = 47,678,831,554,854,560/189,581,996.40
  6. Step 6: Final answer
    x = 251,494,511.40

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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.