Home / 74,885,999.10-112,366,323.45-42,562,722.30

Finding the Fourth Proportional to 74,885,999.10, 112,366,323.45 and 42,562,722.30

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Solution

The fourth proportional to 74,885,999.10, 112,366,323.45 and 42,562,722.30 is: 63,865,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885,999.10 : 112,366,323.45 = 42,562,722.30 : x
  2. Step 2: Convert to fraction form
    74,885,999.10/112,366,323.45 = 42,562,722.30/x
  3. Step 3: Cross multiply
    74,885,999.10x = 112,366,323.45 × 42,562,722.30
  4. Step 4: Simplify right side
    74,885,999.10x = 4,782,616,620,874,328
  5. Step 5: Solve for x
    x = 4,782,616,620,874,328/74,885,999.10
  6. Step 6: Final answer
    x = 63,865,297.63

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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.