Home / 72,933,079.95-100,646,466.05-39,893,040.07

Finding the Fourth Proportional to 72,933,079.95, 100,646,466.05 and 39,893,040.07

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Solution

The fourth proportional to 72,933,079.95, 100,646,466.05 and 39,893,040.07 is: 55,051,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,933,079.95 : 100,646,466.05 = 39,893,040.07 : x
  2. Step 2: Convert to fraction form
    72,933,079.95/100,646,466.05 = 39,893,040.07/x
  3. Step 3: Cross multiply
    72,933,079.95x = 100,646,466.05 × 39,893,040.07
  4. Step 4: Simplify right side
    72,933,079.95x = 4,015,093,502,884,661
  5. Step 5: Solve for x
    x = 4,015,093,502,884,661/72,933,079.95
  6. Step 6: Final answer
    x = 55,051,747.51

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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.