Home / 99,840,010.40-149,760,015.60-56,692,541.60

Finding the Fourth Proportional to 99,840,010.40, 149,760,015.60 and 56,692,541.60

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Solution

The fourth proportional to 99,840,010.40, 149,760,015.60 and 56,692,541.60 is: 85,038,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840,010.40 : 149,760,015.60 = 56,692,541.60 : x
  2. Step 2: Convert to fraction form
    99,840,010.40/149,760,015.60 = 56,692,541.60/x
  3. Step 3: Cross multiply
    99,840,010.40x = 149,760,015.60 × 56,692,541.60
  4. Step 4: Simplify right side
    99,840,010.40x = 8,490,275,914,419,649
  5. Step 5: Solve for x
    x = 8,490,275,914,419,649/99,840,010.40
  6. Step 6: Final answer
    x = 85,038,812.40

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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.