Home / 85,065,264.06-127,620,603.08-30,483,367.05

Finding the Fourth Proportional to 85,065,264.06, 127,620,603.08 and 30,483,367.05

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Solution

The fourth proportional to 85,065,264.06, 127,620,603.08 and 30,483,367.05 is: 45,733,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065,264.06 : 127,620,603.08 = 30,483,367.05 : x
  2. Step 2: Convert to fraction form
    85,065,264.06/127,620,603.08 = 30,483,367.05/x
  3. Step 3: Cross multiply
    85,065,264.06x = 127,620,603.08 × 30,483,367.05
  4. Step 4: Simplify right side
    85,065,264.06x = 3,890,305,686,039,481
  5. Step 5: Solve for x
    x = 3,890,305,686,039,481/85,065,264.06
  6. Step 6: Final answer
    x = 45,733,187.68

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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.