Home / 216,011,765.43-298,097,021.16-116,892,502.38

Finding the Fourth Proportional to 216,011,765.43, 298,097,021.16 and 116,892,502.38

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Solution

The fourth proportional to 216,011,765.43, 298,097,021.16 and 116,892,502.38 is: 161,312,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,011,765.43 : 298,097,021.16 = 116,892,502.38 : x
  2. Step 2: Convert to fraction form
    216,011,765.43/298,097,021.16 = 116,892,502.38/x
  3. Step 3: Cross multiply
    216,011,765.43x = 298,097,021.16 × 116,892,502.38
  4. Step 4: Simplify right side
    216,011,765.43x = 34,845,306,755,416,212
  5. Step 5: Solve for x
    x = 34,845,306,755,416,212/216,011,765.43
  6. Step 6: Final answer
    x = 161,312,078.01

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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.