Home / 74,889,628.80-112,334,443.20-63,580,214.40

Finding the Fourth Proportional to 74,889,628.80, 112,334,443.20 and 63,580,214.40

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Solution

The fourth proportional to 74,889,628.80, 112,334,443.20 and 63,580,214.40 is: 95,370,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,628.80 : 112,334,443.20 = 63,580,214.40 : x
  2. Step 2: Convert to fraction form
    74,889,628.80/112,334,443.20 = 63,580,214.40/x
  3. Step 3: Cross multiply
    74,889,628.80x = 112,334,443.20 × 63,580,214.40
  4. Step 4: Simplify right side
    74,889,628.80x = 7,142,247,983,160,622
  5. Step 5: Solve for x
    x = 7,142,247,983,160,622/74,889,628.80
  6. Step 6: Final answer
    x = 95,370,321.60

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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.