Home / 190,087,595.28-262,439,357.40-130,651,233.84

Finding the Fourth Proportional to 190,087,595.28, 262,439,357.40 and 130,651,233.84

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Solution

The fourth proportional to 190,087,595.28, 262,439,357.40 and 130,651,233.84 is: 180,380,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,087,595.28 : 262,439,357.40 = 130,651,233.84 : x
  2. Step 2: Convert to fraction form
    190,087,595.28/262,439,357.40 = 130,651,233.84/x
  3. Step 3: Cross multiply
    190,087,595.28x = 262,439,357.40 × 130,651,233.84
  4. Step 4: Simplify right side
    190,087,595.28x = 34,288,025,852,486,736
  5. Step 5: Solve for x
    x = 34,288,025,852,486,736/190,087,595.28
  6. Step 6: Final answer
    x = 180,380,133.71

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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.