Home / 105,792,415.20-158,688,622.80-74,887,480.80

Finding the Fourth Proportional to 105,792,415.20, 158,688,622.80 and 74,887,480.80

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Solution

The fourth proportional to 105,792,415.20, 158,688,622.80 and 74,887,480.80 is: 112,331,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,792,415.20 : 158,688,622.80 = 74,887,480.80 : x
  2. Step 2: Convert to fraction form
    105,792,415.20/158,688,622.80 = 74,887,480.80/x
  3. Step 3: Cross multiply
    105,792,415.20x = 158,688,622.80 × 74,887,480.80
  4. Step 4: Simplify right side
    105,792,415.20x = 11,883,791,193,113,442
  5. Step 5: Solve for x
    x = 11,883,791,193,113,442/105,792,415.20
  6. Step 6: Final answer
    x = 112,331,221.20

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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.