Home / 82,621,803.90-123,932,705.85-73,055,865.90

Finding the Fourth Proportional to 82,621,803.90, 123,932,705.85 and 73,055,865.90

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Solution

The fourth proportional to 82,621,803.90, 123,932,705.85 and 73,055,865.90 is: 109,583,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,621,803.90 : 123,932,705.85 = 73,055,865.90 : x
  2. Step 2: Convert to fraction form
    82,621,803.90/123,932,705.85 = 73,055,865.90/x
  3. Step 3: Cross multiply
    82,621,803.90x = 123,932,705.85 × 73,055,865.90
  4. Step 4: Simplify right side
    82,621,803.90x = 9,054,011,139,201,746
  5. Step 5: Solve for x
    x = 9,054,011,139,201,746/82,621,803.90
  6. Step 6: Final answer
    x = 109,583,798.85

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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.