Home / 77,220,219.70-106,565,984.40-45,432,608.32

Finding the Fourth Proportional to 77,220,219.70, 106,565,984.40 and 45,432,608.32

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Solution

The fourth proportional to 77,220,219.70, 106,565,984.40 and 45,432,608.32 is: 62,698,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220,219.70 : 106,565,984.40 = 45,432,608.32 : x
  2. Step 2: Convert to fraction form
    77,220,219.70/106,565,984.40 = 45,432,608.32/x
  3. Step 3: Cross multiply
    77,220,219.70x = 106,565,984.40 × 45,432,608.32
  4. Step 4: Simplify right side
    77,220,219.70x = 4,841,570,629,480,431
  5. Step 5: Solve for x
    x = 4,841,570,629,480,431/77,220,219.70
  6. Step 6: Final answer
    x = 62,698,223.97

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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.