Home / 66,430,272.20-99,645,408.30-44,747,479.40

Finding the Fourth Proportional to 66,430,272.20, 99,645,408.30 and 44,747,479.40

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Solution

The fourth proportional to 66,430,272.20, 99,645,408.30 and 44,747,479.40 is: 67,121,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,272.20 : 99,645,408.30 = 44,747,479.40 : x
  2. Step 2: Convert to fraction form
    66,430,272.20/99,645,408.30 = 44,747,479.40/x
  3. Step 3: Cross multiply
    66,430,272.20x = 99,645,408.30 × 44,747,479.40
  4. Step 4: Simplify right side
    66,430,272.20x = 4,458,880,855,208,838.50
  5. Step 5: Solve for x
    x = 4,458,880,855,208,838.50/66,430,272.20
  6. Step 6: Final answer
    x = 67,121,219.10

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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.