Home / 152,045,669,633.60-209,823,231,875.23-82,521,311,568.87

Finding the Fourth Proportional to 152,045,669,633.60, 209,823,231,875.23 and 82,521,311,568.87

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Solution

The fourth proportional to 152,045,669,633.60, 209,823,231,875.23 and 82,521,311,568.87 is: 113,879,522,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045,669,633.60 : 209,823,231,875.23 = 82,521,311,568.87 : x
  2. Step 2: Convert to fraction form
    152,045,669,633.60/209,823,231,875.23 = 82,521,311,568.87/x
  3. Step 3: Cross multiply
    152,045,669,633.60x = 209,823,231,875.23 × 82,521,311,568.87
  4. Step 4: Simplify right side
    152,045,669,633.60x = 17,314,888,291,962,062,897,152
  5. Step 5: Solve for x
    x = 17,314,888,291,962,062,897,152/152,045,669,633.60
  6. Step 6: Final answer
    x = 113,879,522,736.08

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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.