Home / 52,112,038.40-78,168,057.60-35,987,724.80

Finding the Fourth Proportional to 52,112,038.40, 78,168,057.60 and 35,987,724.80

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Solution

The fourth proportional to 52,112,038.40, 78,168,057.60 and 35,987,724.80 is: 53,981,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,038.40 : 78,168,057.60 = 35,987,724.80 : x
  2. Step 2: Convert to fraction form
    52,112,038.40/78,168,057.60 = 35,987,724.80/x
  3. Step 3: Cross multiply
    52,112,038.40x = 78,168,057.60 × 35,987,724.80
  4. Step 4: Simplify right side
    52,112,038.40x = 2,813,090,545,059,348
  5. Step 5: Solve for x
    x = 2,813,090,545,059,348/52,112,038.40
  6. Step 6: Final answer
    x = 53,981,587.20

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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.