Home / 133,048,678.76-199,580,172.30-42,179,353.64

Finding the Fourth Proportional to 133,048,678.76, 199,580,172.30 and 42,179,353.64

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Solution

The fourth proportional to 133,048,678.76, 199,580,172.30 and 42,179,353.64 is: 63,271,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048,678.76 : 199,580,172.30 = 42,179,353.64 : x
  2. Step 2: Convert to fraction form
    133,048,678.76/199,580,172.30 = 42,179,353.64/x
  3. Step 3: Cross multiply
    133,048,678.76x = 199,580,172.30 × 42,179,353.64
  4. Step 4: Simplify right side
    133,048,678.76x = 8,418,162,666,973,833
  5. Step 5: Solve for x
    x = 8,418,162,666,973,833/133,048,678.76
  6. Step 6: Final answer
    x = 63,271,298.49

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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.