Home / 178,881,945.48-246,855,599.76-100,565,847.28

Finding the Fourth Proportional to 178,881,945.48, 246,855,599.76 and 100,565,847.28

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Solution

The fourth proportional to 178,881,945.48, 246,855,599.76 and 100,565,847.28 is: 138,780,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,881,945.48 : 246,855,599.76 = 100,565,847.28 : x
  2. Step 2: Convert to fraction form
    178,881,945.48/246,855,599.76 = 100,565,847.28/x
  3. Step 3: Cross multiply
    178,881,945.48x = 246,855,599.76 × 100,565,847.28
  4. Step 4: Simplify right side
    178,881,945.48x = 24,825,242,545,676,964
  5. Step 5: Solve for x
    x = 24,825,242,545,676,964/178,881,945.48
  6. Step 6: Final answer
    x = 138,780,034.39

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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.