Home / 152,765,747,299.11-210,807,232,414.66-84,173,321,913.90

Finding the Fourth Proportional to 152,765,747,299.11, 210,807,232,414.66 and 84,173,321,913.90

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Solution

The fourth proportional to 152,765,747,299.11, 210,807,232,414.66 and 84,173,321,913.90 is: 116,153,950,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,765,747,299.11 : 210,807,232,414.66 = 84,173,321,913.90 : x
  2. Step 2: Convert to fraction form
    152,765,747,299.11/210,807,232,414.66 = 84,173,321,913.90/x
  3. Step 3: Cross multiply
    152,765,747,299.11x = 210,807,232,414.66 × 84,173,321,913.90
  4. Step 4: Simplify right side
    152,765,747,299.11x = 17,744,345,035,817,510,502,400
  5. Step 5: Solve for x
    x = 17,744,345,035,817,510,502,400/152,765,747,299.11
  6. Step 6: Final answer
    x = 116,153,950,407.97

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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.