Home / 115,776,244.80-173,664,367.20-72,694,094.40

Finding the Fourth Proportional to 115,776,244.80, 173,664,367.20 and 72,694,094.40

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Solution

The fourth proportional to 115,776,244.80, 173,664,367.20 and 72,694,094.40 is: 109,041,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776,244.80 : 173,664,367.20 = 72,694,094.40 : x
  2. Step 2: Convert to fraction form
    115,776,244.80/173,664,367.20 = 72,694,094.40/x
  3. Step 3: Cross multiply
    115,776,244.80x = 173,664,367.20 × 72,694,094.40
  4. Step 4: Simplify right side
    115,776,244.80x = 12,624,373,903,153,064
  5. Step 5: Solve for x
    x = 12,624,373,903,153,064/115,776,244.80
  6. Step 6: Final answer
    x = 109,041,141.60

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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.