Home / 108,006,040.50-149,048,728.74-58,446,409.20

Finding the Fourth Proportional to 108,006,040.50, 149,048,728.74 and 58,446,409.20

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Solution

The fourth proportional to 108,006,040.50, 149,048,728.74 and 58,446,409.20 is: 80,656,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,006,040.50 : 149,048,728.74 = 58,446,409.20 : x
  2. Step 2: Convert to fraction form
    108,006,040.50/149,048,728.74 = 58,446,409.20/x
  3. Step 3: Cross multiply
    108,006,040.50x = 149,048,728.74 × 58,446,409.20
  4. Step 4: Simplify right side
    108,006,040.50x = 8,711,362,990,677,841
  5. Step 5: Solve for x
    x = 8,711,362,990,677,841/108,006,040.50
  6. Step 6: Final answer
    x = 80,656,257.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.