Home / 251,254,355.48-376,881,664.64-78,744,604.68

Finding the Fourth Proportional to 251,254,355.48, 376,881,664.64 and 78,744,604.68

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Solution

The fourth proportional to 251,254,355.48, 376,881,664.64 and 78,744,604.68 is: 118,116,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,254,355.48 : 376,881,664.64 = 78,744,604.68 : x
  2. Step 2: Convert to fraction form
    251,254,355.48/376,881,664.64 = 78,744,604.68/x
  3. Step 3: Cross multiply
    251,254,355.48x = 376,881,664.64 × 78,744,604.68
  4. Step 4: Simplify right side
    251,254,355.48x = 29,677,397,693,217,136
  5. Step 5: Solve for x
    x = 29,677,397,693,217,136/251,254,355.48
  6. Step 6: Final answer
    x = 118,116,948.21

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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.