Home / 104,554,379.40-156,831,569.10-99,851,454.60

Finding the Fourth Proportional to 104,554,379.40, 156,831,569.10 and 99,851,454.60

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Solution

The fourth proportional to 104,554,379.40, 156,831,569.10 and 99,851,454.60 is: 149,777,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,554,379.40 : 156,831,569.10 = 99,851,454.60 : x
  2. Step 2: Convert to fraction form
    104,554,379.40/156,831,569.10 = 99,851,454.60/x
  3. Step 3: Cross multiply
    104,554,379.40x = 156,831,569.10 × 99,851,454.60
  4. Step 4: Simplify right side
    104,554,379.40x = 15,659,860,301,835,412
  5. Step 5: Solve for x
    x = 15,659,860,301,835,412/104,554,379.40
  6. Step 6: Final answer
    x = 149,777,181.90

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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.