Home / 104,977,881.60-157,466,822.40-66,525,172.80

Finding the Fourth Proportional to 104,977,881.60, 157,466,822.40 and 66,525,172.80

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Solution

The fourth proportional to 104,977,881.60, 157,466,822.40 and 66,525,172.80 is: 99,787,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977,881.60 : 157,466,822.40 = 66,525,172.80 : x
  2. Step 2: Convert to fraction form
    104,977,881.60/157,466,822.40 = 66,525,172.80/x
  3. Step 3: Cross multiply
    104,977,881.60x = 157,466,822.40 × 66,525,172.80
  4. Step 4: Simplify right side
    104,977,881.60x = 10,475,507,570,426,910
  5. Step 5: Solve for x
    x = 10,475,507,570,426,910/104,977,881.60
  6. Step 6: Final answer
    x = 99,787,759.20

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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.