Home / 56,430,064.46-77,874,295.96-42,276,172.25

Finding the Fourth Proportional to 56,430,064.46, 77,874,295.96 and 42,276,172.25

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Solution

The fourth proportional to 56,430,064.46, 77,874,295.96 and 42,276,172.25 is: 58,341,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430,064.46 : 77,874,295.96 = 42,276,172.25 : x
  2. Step 2: Convert to fraction form
    56,430,064.46/77,874,295.96 = 42,276,172.25/x
  3. Step 3: Cross multiply
    56,430,064.46x = 77,874,295.96 × 42,276,172.25
  4. Step 4: Simplify right side
    56,430,064.46x = 3,292,227,150,099,970
  5. Step 5: Solve for x
    x = 3,292,227,150,099,970/56,430,064.46
  6. Step 6: Final answer
    x = 58,341,722.30

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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.