Home / 122,379,753.20-183,516,485.70-40,466,980.40

Finding the Fourth Proportional to 122,379,753.20, 183,516,485.70 and 40,466,980.40

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Solution

The fourth proportional to 122,379,753.20, 183,516,485.70 and 40,466,980.40 is: 60,682,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,379,753.20 : 183,516,485.70 = 40,466,980.40 : x
  2. Step 2: Convert to fraction form
    122,379,753.20/183,516,485.70 = 40,466,980.40/x
  3. Step 3: Cross multiply
    122,379,753.20x = 183,516,485.70 × 40,466,980.40
  4. Step 4: Simplify right side
    122,379,753.20x = 7,426,358,029,898,780
  5. Step 5: Solve for x
    x = 7,426,358,029,898,780/122,379,753.20
  6. Step 6: Final answer
    x = 60,682,897.58

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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.