Home / 216,022,699-298,112,233.62-116,903,451.20

Finding the Fourth Proportional to 216,022,699, 298,112,233.62 and 116,903,451.20

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Solution

The fourth proportional to 216,022,699, 298,112,233.62 and 116,903,451.20 is: 161,327,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022,699 : 298,112,233.62 = 116,903,451.20 : x
  2. Step 2: Convert to fraction form
    216,022,699/298,112,233.62 = 116,903,451.20/x
  3. Step 3: Cross multiply
    216,022,699x = 298,112,233.62 × 116,903,451.20
  4. Step 4: Simplify right side
    216,022,699x = 34,850,348,955,118,672
  5. Step 5: Solve for x
    x = 34,850,348,955,118,672/216,022,699
  6. Step 6: Final answer
    x = 161,327,254.57

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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.