Home / 216,140,337.21-298,270,104.73-117,020,292.15

Finding the Fourth Proportional to 216,140,337.21, 298,270,104.73 and 117,020,292.15

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Solution

The fourth proportional to 216,140,337.21, 298,270,104.73 and 117,020,292.15 is: 161,486,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,140,337.21 : 298,270,104.73 = 117,020,292.15 : x
  2. Step 2: Convert to fraction form
    216,140,337.21/298,270,104.73 = 117,020,292.15/x
  3. Step 3: Cross multiply
    216,140,337.21x = 298,270,104.73 × 117,020,292.15
  4. Step 4: Simplify right side
    216,140,337.21x = 34,903,654,795,115,700
  5. Step 5: Solve for x
    x = 34,903,654,795,115,700/216,140,337.21
  6. Step 6: Final answer
    x = 161,486,075.42

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1.5x scale

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.