Home / 89,114,561.12-122,985,456.45-49,434,885.07

Finding the Fourth Proportional to 89,114,561.12, 122,985,456.45 and 49,434,885.07

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Solution

The fourth proportional to 89,114,561.12, 122,985,456.45 and 49,434,885.07 is: 68,224,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114,561.12 : 122,985,456.45 = 49,434,885.07 : x
  2. Step 2: Convert to fraction form
    89,114,561.12/122,985,456.45 = 49,434,885.07/x
  3. Step 3: Cross multiply
    89,114,561.12x = 122,985,456.45 × 49,434,885.07
  4. Step 4: Simplify right side
    89,114,561.12x = 6,079,771,904,887,240
  5. Step 5: Solve for x
    x = 6,079,771,904,887,240/89,114,561.12
  6. Step 6: Final answer
    x = 68,224,225.41

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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.