Home / 209,957,299.60-314,935,949.40-66,350,131.60

Finding the Fourth Proportional to 209,957,299.60, 314,935,949.40 and 66,350,131.60

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Solution

The fourth proportional to 209,957,299.60, 314,935,949.40 and 66,350,131.60 is: 99,525,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,957,299.60 : 314,935,949.40 = 66,350,131.60 : x
  2. Step 2: Convert to fraction form
    209,957,299.60/314,935,949.40 = 66,350,131.60/x
  3. Step 3: Cross multiply
    209,957,299.60x = 314,935,949.40 × 66,350,131.60
  4. Step 4: Simplify right side
    209,957,299.60x = 20,896,041,688,260,940
  5. Step 5: Solve for x
    x = 20,896,041,688,260,940/209,957,299.60
  6. Step 6: Final answer
    x = 99,525,197.40

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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.