Home / 102,443,622,612.96-153,673,183,889.28-31,705,488,053.76

Finding the Fourth Proportional to 102,443,622,612.96, 153,673,183,889.28 and 31,705,488,053.76

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Solution

The fourth proportional to 102,443,622,612.96, 153,673,183,889.28 and 31,705,488,053.76 is: 47,560,630,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,443,622,612.96 : 153,673,183,889.28 = 31,705,488,053.76 : x
  2. Step 2: Convert to fraction form
    102,443,622,612.96/153,673,183,889.28 = 31,705,488,053.76/x
  3. Step 3: Cross multiply
    102,443,622,612.96x = 153,673,183,889.28 × 31,705,488,053.76
  4. Step 4: Simplify right side
    102,443,622,612.96x = 4,872,283,295,984,830,644,224
  5. Step 5: Solve for x
    x = 4,872,283,295,984,830,644,224/102,443,622,612.96
  6. Step 6: Final answer
    x = 47,560,630,634.79

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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.