Home / 216,140,275.36-298,270,019.52-117,020,230.30

Finding the Fourth Proportional to 216,140,275.36, 298,270,019.52 and 117,020,230.30

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Solution

The fourth proportional to 216,140,275.36, 298,270,019.52 and 117,020,230.30 is: 161,485,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,140,275.36 : 298,270,019.52 = 117,020,230.30 : x
  2. Step 2: Convert to fraction form
    216,140,275.36/298,270,019.52 = 117,020,230.30/x
  3. Step 3: Cross multiply
    216,140,275.36x = 298,270,019.52 × 117,020,230.30
  4. Step 4: Simplify right side
    216,140,275.36x = 34,903,626,376,188,728
  5. Step 5: Solve for x
    x = 34,903,626,376,188,728/216,140,275.36
  6. Step 6: Final answer
    x = 161,485,990.14

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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.