Home / 78,003,106.65-117,004,659.98-37,692,322.65

Finding the Fourth Proportional to 78,003,106.65, 117,004,659.98 and 37,692,322.65

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Solution

The fourth proportional to 78,003,106.65, 117,004,659.98 and 37,692,322.65 is: 56,538,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003,106.65 : 117,004,659.98 = 37,692,322.65 : x
  2. Step 2: Convert to fraction form
    78,003,106.65/117,004,659.98 = 37,692,322.65/x
  3. Step 3: Cross multiply
    78,003,106.65x = 117,004,659.98 × 37,692,322.65
  4. Step 4: Simplify right side
    78,003,106.65x = 4,410,177,395,331,240.50
  5. Step 5: Solve for x
    x = 4,410,177,395,331,240.50/78,003,106.65
  6. Step 6: Final answer
    x = 56,538,483.98

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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.