Home / 102,668,395.50-141,682,385.79-61,417,026.54

Finding the Fourth Proportional to 102,668,395.50, 141,682,385.79 and 61,417,026.54

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Solution

The fourth proportional to 102,668,395.50, 141,682,385.79 and 61,417,026.54 is: 84,755,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668,395.50 : 141,682,385.79 = 61,417,026.54 : x
  2. Step 2: Convert to fraction form
    102,668,395.50/141,682,385.79 = 61,417,026.54/x
  3. Step 3: Cross multiply
    102,668,395.50x = 141,682,385.79 × 61,417,026.54
  4. Step 4: Simplify right side
    102,668,395.50x = 8,701,710,848,314,948
  5. Step 5: Solve for x
    x = 8,701,710,848,314,948/102,668,395.50
  6. Step 6: Final answer
    x = 84,755,496.63

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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.