Home / 74,891,260.80-112,336,891.20-63,581,846.40

Finding the Fourth Proportional to 74,891,260.80, 112,336,891.20 and 63,581,846.40

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Solution

The fourth proportional to 74,891,260.80, 112,336,891.20 and 63,581,846.40 is: 95,372,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,891,260.80 : 112,336,891.20 = 63,581,846.40 : x
  2. Step 2: Convert to fraction form
    74,891,260.80/112,336,891.20 = 63,581,846.40/x
  3. Step 3: Cross multiply
    74,891,260.80x = 112,336,891.20 × 63,581,846.40
  4. Step 4: Simplify right side
    74,891,260.80x = 7,142,586,961,331,912
  5. Step 5: Solve for x
    x = 7,142,586,961,331,912/74,891,260.80
  6. Step 6: Final answer
    x = 95,372,769.60

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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.