Home / 52,130,815.80-78,196,223.70-31,723,481.40

Finding the Fourth Proportional to 52,130,815.80, 78,196,223.70 and 31,723,481.40

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Solution

The fourth proportional to 52,130,815.80, 78,196,223.70 and 31,723,481.40 is: 47,585,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130,815.80 : 78,196,223.70 = 31,723,481.40 : x
  2. Step 2: Convert to fraction form
    52,130,815.80/78,196,223.70 = 31,723,481.40/x
  3. Step 3: Cross multiply
    52,130,815.80x = 78,196,223.70 × 31,723,481.40
  4. Step 4: Simplify right side
    52,130,815.80x = 2,480,656,448,097,189
  5. Step 5: Solve for x
    x = 2,480,656,448,097,189/52,130,815.80
  6. Step 6: Final answer
    x = 47,585,222.10

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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.