Home / 190,148,109.02-262,620,503.19-128,161,600.22

Finding the Fourth Proportional to 190,148,109.02, 262,620,503.19 and 128,161,600.22

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Solution

The fourth proportional to 190,148,109.02, 262,620,503.19 and 128,161,600.22 is: 177,008,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148,109.02 : 262,620,503.19 = 128,161,600.22 : x
  2. Step 2: Convert to fraction form
    190,148,109.02/262,620,503.19 = 128,161,600.22/x
  3. Step 3: Cross multiply
    190,148,109.02x = 262,620,503.19 × 128,161,600.22
  4. Step 4: Simplify right side
    190,148,109.02x = 33,657,863,939,412,016
  5. Step 5: Solve for x
    x = 33,657,863,939,412,016/190,148,109.02
  6. Step 6: Final answer
    x = 177,008,670.31

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1.5x scale

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.