Home / 134,756,930.37-185,965,120.86-72,877,267.65

Finding the Fourth Proportional to 134,756,930.37, 185,965,120.86 and 72,877,267.65

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Solution

The fourth proportional to 134,756,930.37, 185,965,120.86 and 72,877,267.65 is: 100,570,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,756,930.37 : 185,965,120.86 = 72,877,267.65 : x
  2. Step 2: Convert to fraction form
    134,756,930.37/185,965,120.86 = 72,877,267.65/x
  3. Step 3: Cross multiply
    134,756,930.37x = 185,965,120.86 × 72,877,267.65
  4. Step 4: Simplify right side
    134,756,930.37x = 13,552,629,886,478,820
  5. Step 5: Solve for x
    x = 13,552,629,886,478,820/134,756,930.37
  6. Step 6: Final answer
    x = 100,570,930.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.