Home / 144,581,108.48-199,522,170.24-79,395,142.40

Finding the Fourth Proportional to 144,581,108.48, 199,522,170.24 and 79,395,142.40

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Solution

The fourth proportional to 144,581,108.48, 199,522,170.24 and 79,395,142.40 is: 109,565,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,108.48 : 199,522,170.24 = 79,395,142.40 : x
  2. Step 2: Convert to fraction form
    144,581,108.48/199,522,170.24 = 79,395,142.40/x
  3. Step 3: Cross multiply
    144,581,108.48x = 199,522,170.24 × 79,395,142.40
  4. Step 4: Simplify right side
    144,581,108.48x = 15,841,091,118,161,844
  5. Step 5: Solve for x
    x = 15,841,091,118,161,844/144,581,108.48
  6. Step 6: Final answer
    x = 109,565,428.60

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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.