Home / 190,162,058.90-285,160,025.66-67,299,542.50

Finding the Fourth Proportional to 190,162,058.90, 285,160,025.66 and 67,299,542.50

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Solution

The fourth proportional to 190,162,058.90, 285,160,025.66 and 67,299,542.50 is: 100,919,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,162,058.90 : 285,160,025.66 = 67,299,542.50 : x
  2. Step 2: Convert to fraction form
    190,162,058.90/285,160,025.66 = 67,299,542.50/x
  3. Step 3: Cross multiply
    190,162,058.90x = 285,160,025.66 × 67,299,542.50
  4. Step 4: Simplify right side
    190,162,058.90x = 19,191,139,266,206,264
  5. Step 5: Solve for x
    x = 19,191,139,266,206,264/190,162,058.90
  6. Step 6: Final answer
    x = 100,919,917.34

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1.5x scale

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.