Home / 122,543,629.40-183,815,444.10-54,393,210.20

Finding the Fourth Proportional to 122,543,629.40, 183,815,444.10 and 54,393,210.20

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Solution

The fourth proportional to 122,543,629.40, 183,815,444.10 and 54,393,210.20 is: 81,589,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,543,629.40 : 183,815,444.10 = 54,393,210.20 : x
  2. Step 2: Convert to fraction form
    122,543,629.40/183,815,444.10 = 54,393,210.20/x
  3. Step 3: Cross multiply
    122,543,629.40x = 183,815,444.10 × 54,393,210.20
  4. Step 4: Simplify right side
    122,543,629.40x = 9,998,312,088,937,650
  5. Step 5: Solve for x
    x = 9,998,312,088,937,650/122,543,629.40
  6. Step 6: Final answer
    x = 81,589,815.30

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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.