Home / 52,422,461.80-78,633,692.70-47,320,628.20

Finding the Fourth Proportional to 52,422,461.80, 78,633,692.70 and 47,320,628.20

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Solution

The fourth proportional to 52,422,461.80, 78,633,692.70 and 47,320,628.20 is: 70,980,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,461.80 : 78,633,692.70 = 47,320,628.20 : x
  2. Step 2: Convert to fraction form
    52,422,461.80/78,633,692.70 = 47,320,628.20/x
  3. Step 3: Cross multiply
    52,422,461.80x = 78,633,692.70 × 47,320,628.20
  4. Step 4: Simplify right side
    52,422,461.80x = 3,720,995,736,249,754.50
  5. Step 5: Solve for x
    x = 3,720,995,736,249,754.50/52,422,461.80
  6. Step 6: Final answer
    x = 70,980,942.30

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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.