Home / 216,646,292.12-298,971,883.13-123,828,792.89

Finding the Fourth Proportional to 216,646,292.12, 298,971,883.13 and 123,828,792.89

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Solution

The fourth proportional to 216,646,292.12, 298,971,883.13 and 123,828,792.89 is: 170,883,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,292.12 : 298,971,883.13 = 123,828,792.89 : x
  2. Step 2: Convert to fraction form
    216,646,292.12/298,971,883.13 = 123,828,792.89/x
  3. Step 3: Cross multiply
    216,646,292.12x = 298,971,883.13 × 123,828,792.89
  4. Step 4: Simplify right side
    216,646,292.12x = 37,021,327,393,924,056
  5. Step 5: Solve for x
    x = 37,021,327,393,924,056/216,646,292.12
  6. Step 6: Final answer
    x = 170,883,734.18

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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.