Home / 52,112,039.40-78,168,059.10-35,987,725.80

Finding the Fourth Proportional to 52,112,039.40, 78,168,059.10 and 35,987,725.80

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Solution

The fourth proportional to 52,112,039.40, 78,168,059.10 and 35,987,725.80 is: 53,981,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,039.40 : 78,168,059.10 = 35,987,725.80 : x
  2. Step 2: Convert to fraction form
    52,112,039.40/78,168,059.10 = 35,987,725.80/x
  3. Step 3: Cross multiply
    52,112,039.40x = 78,168,059.10 × 35,987,725.80
  4. Step 4: Simplify right side
    52,112,039.40x = 2,813,090,677,208,994.50
  5. Step 5: Solve for x
    x = 2,813,090,677,208,994.50/52,112,039.40
  6. Step 6: Final answer
    x = 53,981,588.70

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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.