Home / 104,328,004.60-156,492,006.90-66,032,759.80

Finding the Fourth Proportional to 104,328,004.60, 156,492,006.90 and 66,032,759.80

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Solution

The fourth proportional to 104,328,004.60, 156,492,006.90 and 66,032,759.80 is: 99,049,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,004.60 : 156,492,006.90 = 66,032,759.80 : x
  2. Step 2: Convert to fraction form
    104,328,004.60/156,492,006.90 = 66,032,759.80/x
  3. Step 3: Cross multiply
    104,328,004.60x = 156,492,006.90 × 66,032,759.80
  4. Step 4: Simplify right side
    104,328,004.60x = 10,333,599,102,247,642
  5. Step 5: Solve for x
    x = 10,333,599,102,247,642/104,328,004.60
  6. Step 6: Final answer
    x = 99,049,139.70

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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.