Home / 99,156,619.35-136,839,457.67-55,105,474.86

Finding the Fourth Proportional to 99,156,619.35, 136,839,457.67 and 55,105,474.86

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Solution

The fourth proportional to 99,156,619.35, 136,839,457.67 and 55,105,474.86 is: 76,047,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,619.35 : 136,839,457.67 = 55,105,474.86 : x
  2. Step 2: Convert to fraction form
    99,156,619.35/136,839,457.67 = 55,105,474.86/x
  3. Step 3: Cross multiply
    99,156,619.35x = 136,839,457.67 × 55,105,474.86
  4. Step 4: Simplify right side
    99,156,619.35x = 7,540,603,294,490,218
  5. Step 5: Solve for x
    x = 7,540,603,294,490,218/99,156,619.35
  6. Step 6: Final answer
    x = 76,047,402.02

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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.