Home / 47,017,187.20-70,525,780.80-43,615,964.80

Finding the Fourth Proportional to 47,017,187.20, 70,525,780.80 and 43,615,964.80

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Solution

The fourth proportional to 47,017,187.20, 70,525,780.80 and 43,615,964.80 is: 65,423,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,017,187.20 : 70,525,780.80 = 43,615,964.80 : x
  2. Step 2: Convert to fraction form
    47,017,187.20/70,525,780.80 = 43,615,964.80/x
  3. Step 3: Cross multiply
    47,017,187.20x = 70,525,780.80 × 43,615,964.80
  4. Step 4: Simplify right side
    47,017,187.20x = 3,076,049,972,865,315.50
  5. Step 5: Solve for x
    x = 3,076,049,972,865,315.50/47,017,187.20
  6. Step 6: Final answer
    x = 65,423,947.20

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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.