Home / 122,517,006.40-183,775,509.60-54,366,587.20

Finding the Fourth Proportional to 122,517,006.40, 183,775,509.60 and 54,366,587.20

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Solution

The fourth proportional to 122,517,006.40, 183,775,509.60 and 54,366,587.20 is: 81,549,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517,006.40 : 183,775,509.60 = 54,366,587.20 : x
  2. Step 2: Convert to fraction form
    122,517,006.40/183,775,509.60 = 54,366,587.20/x
  3. Step 3: Cross multiply
    122,517,006.40x = 183,775,509.60 × 54,366,587.20
  4. Step 4: Simplify right side
    122,517,006.40x = 9,991,247,267,892,838
  5. Step 5: Solve for x
    x = 9,991,247,267,892,838/122,517,006.40
  6. Step 6: Final answer
    x = 81,549,880.80

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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.