Home / 55,433,782.80-83,056,195.80-47,308,640.40

Finding the Fourth Proportional to 55,433,782.80, 83,056,195.80 and 47,308,640.40

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Solution

The fourth proportional to 55,433,782.80, 83,056,195.80 and 47,308,640.40 is: 70,882,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433,782.80 : 83,056,195.80 = 47,308,640.40 : x
  2. Step 2: Convert to fraction form
    55,433,782.80/83,056,195.80 = 47,308,640.40/x
  3. Step 3: Cross multiply
    55,433,782.80x = 83,056,195.80 × 47,308,640.40
  4. Step 4: Simplify right side
    55,433,782.80x = 3,929,275,700,094,190
  5. Step 5: Solve for x
    x = 3,929,275,700,094,190/55,433,782.80
  6. Step 6: Final answer
    x = 70,882,330.26

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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.