Home / 139,715,543,492.80-209,608,583,657.92-38,986,326,460.75

Finding the Fourth Proportional to 139,715,543,492.80, 209,608,583,657.92 and 38,986,326,460.75

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Solution

The fourth proportional to 139,715,543,492.80, 209,608,583,657.92 and 38,986,326,460.75 is: 58,489,331,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,715,543,492.80 : 209,608,583,657.92 = 38,986,326,460.75 : x
  2. Step 2: Convert to fraction form
    139,715,543,492.80/209,608,583,657.92 = 38,986,326,460.75/x
  3. Step 3: Cross multiply
    139,715,543,492.80x = 209,608,583,657.92 × 38,986,326,460.75
  4. Step 4: Simplify right side
    139,715,543,492.80x = 8,171,868,671,463,096,582,144
  5. Step 5: Solve for x
    x = 8,171,868,671,463,096,582,144/139,715,543,492.80
  6. Step 6: Final answer
    x = 58,489,331,016.23

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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.