Home / 118,880,608.02-163,903,371.37-76,990,656.93

Finding the Fourth Proportional to 118,880,608.02, 163,903,371.37 and 76,990,656.93

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Solution

The fourth proportional to 118,880,608.02, 163,903,371.37 and 76,990,656.93 is: 106,148,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880,608.02 : 163,903,371.37 = 76,990,656.93 : x
  2. Step 2: Convert to fraction form
    118,880,608.02/163,903,371.37 = 76,990,656.93/x
  3. Step 3: Cross multiply
    118,880,608.02x = 163,903,371.37 × 76,990,656.93
  4. Step 4: Simplify right side
    118,880,608.02x = 12,619,028,234,818,056
  5. Step 5: Solve for x
    x = 12,619,028,234,818,056/118,880,608.02
  6. Step 6: Final answer
    x = 106,148,752.48

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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.