Home / 55,433,780.80-83,056,192.80-47,308,638.40

Finding the Fourth Proportional to 55,433,780.80, 83,056,192.80 and 47,308,638.40

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Solution

The fourth proportional to 55,433,780.80, 83,056,192.80 and 47,308,638.40 is: 70,882,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433,780.80 : 83,056,192.80 = 47,308,638.40 : x
  2. Step 2: Convert to fraction form
    55,433,780.80/83,056,192.80 = 47,308,638.40/x
  3. Step 3: Cross multiply
    55,433,780.80x = 83,056,192.80 × 47,308,638.40
  4. Step 4: Simplify right side
    55,433,780.80x = 3,929,275,392,055,883.50
  5. Step 5: Solve for x
    x = 3,929,275,392,055,883.50/55,433,780.80
  6. Step 6: Final answer
    x = 70,882,327.26

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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.