Home / 156,975,080.63-216,623,495.34-87,360,443.06

Finding the Fourth Proportional to 156,975,080.63, 216,623,495.34 and 87,360,443.06

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Solution

The fourth proportional to 156,975,080.63, 216,623,495.34 and 87,360,443.06 is: 120,556,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975,080.63 : 216,623,495.34 = 87,360,443.06 : x
  2. Step 2: Convert to fraction form
    156,975,080.63/216,623,495.34 = 87,360,443.06/x
  3. Step 3: Cross multiply
    156,975,080.63x = 216,623,495.34 × 87,360,443.06
  4. Step 4: Simplify right side
    156,975,080.63x = 18,924,324,529,025,128
  5. Step 5: Solve for x
    x = 18,924,324,529,025,128/156,975,080.63
  6. Step 6: Final answer
    x = 120,556,233.85

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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.