Home / 111,148,037.20-166,722,055.80-34,478,815.60

Finding the Fourth Proportional to 111,148,037.20, 166,722,055.80 and 34,478,815.60

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Solution

The fourth proportional to 111,148,037.20, 166,722,055.80 and 34,478,815.60 is: 51,718,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,148,037.20 : 166,722,055.80 = 34,478,815.60 : x
  2. Step 2: Convert to fraction form
    111,148,037.20/166,722,055.80 = 34,478,815.60/x
  3. Step 3: Cross multiply
    111,148,037.20x = 166,722,055.80 × 34,478,815.60
  4. Step 4: Simplify right side
    111,148,037.20x = 5,748,379,018,381,111
  5. Step 5: Solve for x
    x = 5,748,379,018,381,111/111,148,037.20
  6. Step 6: Final answer
    x = 51,718,223.40

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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.