Home / 169,956,021.40-254,934,032.10-156,918,002.20

Finding the Fourth Proportional to 169,956,021.40, 254,934,032.10 and 156,918,002.20

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Solution

The fourth proportional to 169,956,021.40, 254,934,032.10 and 156,918,002.20 is: 235,377,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,956,021.40 : 254,934,032.10 = 156,918,002.20 : x
  2. Step 2: Convert to fraction form
    169,956,021.40/254,934,032.10 = 156,918,002.20/x
  3. Step 3: Cross multiply
    169,956,021.40x = 254,934,032.10 × 156,918,002.20
  4. Step 4: Simplify right side
    169,956,021.40x = 40,003,739,009,922,664
  5. Step 5: Solve for x
    x = 40,003,739,009,922,664/169,956,021.40
  6. Step 6: Final answer
    x = 235,377,003.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.