Home / 66,430,300.20-99,645,450.30-49,211,611.80

Finding the Fourth Proportional to 66,430,300.20, 99,645,450.30 and 49,211,611.80

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Solution

The fourth proportional to 66,430,300.20, 99,645,450.30 and 49,211,611.80 is: 73,817,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,300.20 : 99,645,450.30 = 49,211,611.80 : x
  2. Step 2: Convert to fraction form
    66,430,300.20/99,645,450.30 = 49,211,611.80/x
  3. Step 3: Cross multiply
    66,430,300.20x = 99,645,450.30 × 49,211,611.80
  4. Step 4: Simplify right side
    66,430,300.20x = 4,903,713,217,799,793
  5. Step 5: Solve for x
    x = 4,903,713,217,799,793/66,430,300.20
  6. Step 6: Final answer
    x = 73,817,417.70

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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.