Home / 129,025,546.20-193,554,908.10-64,362,403.80

Finding the Fourth Proportional to 129,025,546.20, 193,554,908.10 and 64,362,403.80

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Solution

The fourth proportional to 129,025,546.20, 193,554,908.10 and 64,362,403.80 is: 96,551,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,025,546.20 : 193,554,908.10 = 64,362,403.80 : x
  2. Step 2: Convert to fraction form
    129,025,546.20/193,554,908.10 = 64,362,403.80/x
  3. Step 3: Cross multiply
    129,025,546.20x = 193,554,908.10 × 64,362,403.80
  4. Step 4: Simplify right side
    129,025,546.20x = 12,457,659,152,604,090
  5. Step 5: Solve for x
    x = 12,457,659,152,604,090/129,025,546.20
  6. Step 6: Final answer
    x = 96,551,880.77

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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.