Home / 216,619,381.16-298,934,439.57-117,500,008.86

Finding the Fourth Proportional to 216,619,381.16, 298,934,439.57 and 117,500,008.86

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Solution

The fourth proportional to 216,619,381.16, 298,934,439.57 and 117,500,008.86 is: 162,149,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,381.16 : 298,934,439.57 = 117,500,008.86 : x
  2. Step 2: Convert to fraction form
    216,619,381.16/298,934,439.57 = 117,500,008.86/x
  3. Step 3: Cross multiply
    216,619,381.16x = 298,934,439.57 × 117,500,008.86
  4. Step 4: Simplify right side
    216,619,381.16x = 35,124,799,298,034,132
  5. Step 5: Solve for x
    x = 35,124,799,298,034,132/216,619,381.16
  6. Step 6: Final answer
    x = 162,149,846.01

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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.