Home / 156,670,190.22-216,114,814.28-97,830,714.54

Finding the Fourth Proportional to 156,670,190.22, 216,114,814.28 and 97,830,714.54

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Solution

The fourth proportional to 156,670,190.22, 216,114,814.28 and 97,830,714.54 is: 134,950,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670,190.22 : 216,114,814.28 = 97,830,714.54 : x
  2. Step 2: Convert to fraction form
    156,670,190.22/216,114,814.28 = 97,830,714.54/x
  3. Step 3: Cross multiply
    156,670,190.22x = 216,114,814.28 × 97,830,714.54
  4. Step 4: Simplify right side
    156,670,190.22x = 21,142,666,703,202,644
  5. Step 5: Solve for x
    x = 21,142,666,703,202,644/156,670,190.22
  6. Step 6: Final answer
    x = 134,950,156.59

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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.