Home / 76,554,005.40-114,831,008.10-69,857,848.80

Finding the Fourth Proportional to 76,554,005.40, 114,831,008.10 and 69,857,848.80

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Solution

The fourth proportional to 76,554,005.40, 114,831,008.10 and 69,857,848.80 is: 104,786,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554,005.40 : 114,831,008.10 = 69,857,848.80 : x
  2. Step 2: Convert to fraction form
    76,554,005.40/114,831,008.10 = 69,857,848.80/x
  3. Step 3: Cross multiply
    76,554,005.40x = 114,831,008.10 × 69,857,848.80
  4. Step 4: Simplify right side
    76,554,005.40x = 8,021,847,201,401,375
  5. Step 5: Solve for x
    x = 8,021,847,201,401,375/76,554,005.40
  6. Step 6: Final answer
    x = 104,786,773.20

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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.