Home / 66,392,611.20-99,588,916.80-40,883,443.20

Finding the Fourth Proportional to 66,392,611.20, 99,588,916.80 and 40,883,443.20

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Solution

The fourth proportional to 66,392,611.20, 99,588,916.80 and 40,883,443.20 is: 61,325,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392,611.20 : 99,588,916.80 = 40,883,443.20 : x
  2. Step 2: Convert to fraction form
    66,392,611.20/99,588,916.80 = 40,883,443.20/x
  3. Step 3: Cross multiply
    66,392,611.20x = 99,588,916.80 × 40,883,443.20
  4. Step 4: Simplify right side
    66,392,611.20x = 4,071,537,823,342,326
  5. Step 5: Solve for x
    x = 4,071,537,823,342,326/66,392,611.20
  6. Step 6: Final answer
    x = 61,325,164.80

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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.