Home / 105,014,781.90-157,270,230.45-51,099,108.30

Finding the Fourth Proportional to 105,014,781.90, 157,270,230.45 and 51,099,108.30

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Solution

The fourth proportional to 105,014,781.90, 157,270,230.45 and 51,099,108.30 is: 76,526,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,781.90 : 157,270,230.45 = 51,099,108.30 : x
  2. Step 2: Convert to fraction form
    105,014,781.90/157,270,230.45 = 51,099,108.30/x
  3. Step 3: Cross multiply
    105,014,781.90x = 157,270,230.45 × 51,099,108.30
  4. Step 4: Simplify right side
    105,014,781.90x = 8,036,368,538,130,507
  5. Step 5: Solve for x
    x = 8,036,368,538,130,507/105,014,781.90
  6. Step 6: Final answer
    x = 76,526,069.88

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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.