Home / 72,184,716.44-99,614,931.30-39,144,955.76

Finding the Fourth Proportional to 72,184,716.44, 99,614,931.30 and 39,144,955.76

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Solution

The fourth proportional to 72,184,716.44, 99,614,931.30 and 39,144,955.76 is: 54,020,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,716.44 : 99,614,931.30 = 39,144,955.76 : x
  2. Step 2: Convert to fraction form
    72,184,716.44/99,614,931.30 = 39,144,955.76/x
  3. Step 3: Cross multiply
    72,184,716.44x = 99,614,931.30 × 39,144,955.76
  4. Step 4: Simplify right side
    72,184,716.44x = 3,899,422,078,773,939
  5. Step 5: Solve for x
    x = 3,899,422,078,773,939/72,184,716.44
  6. Step 6: Final answer
    x = 54,020,051.21

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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.