Home / 103,523,893.80-155,285,840.70-79,636,021.80

Finding the Fourth Proportional to 103,523,893.80, 155,285,840.70 and 79,636,021.80

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Solution

The fourth proportional to 103,523,893.80, 155,285,840.70 and 79,636,021.80 is: 119,454,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523,893.80 : 155,285,840.70 = 79,636,021.80 : x
  2. Step 2: Convert to fraction form
    103,523,893.80/155,285,840.70 = 79,636,021.80/x
  3. Step 3: Cross multiply
    103,523,893.80x = 155,285,840.70 × 79,636,021.80
  4. Step 4: Simplify right side
    103,523,893.80x = 12,366,346,595,216,526
  5. Step 5: Solve for x
    x = 12,366,346,595,216,526/103,523,893.80
  6. Step 6: Final answer
    x = 119,454,032.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.