Home / 105,014,787.90-157,270,239.45-51,099,114.30

Finding the Fourth Proportional to 105,014,787.90, 157,270,239.45 and 51,099,114.30

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Solution

The fourth proportional to 105,014,787.90, 157,270,239.45 and 51,099,114.30 is: 76,526,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,787.90 : 157,270,239.45 = 51,099,114.30 : x
  2. Step 2: Convert to fraction form
    105,014,787.90/157,270,239.45 = 51,099,114.30/x
  3. Step 3: Cross multiply
    105,014,787.90x = 157,270,239.45 × 51,099,114.30
  4. Step 4: Simplify right side
    105,014,787.90x = 8,036,369,941,643,918
  5. Step 5: Solve for x
    x = 8,036,369,941,643,918/105,014,787.90
  6. Step 6: Final answer
    x = 76,526,078.87

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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.