Home / 243,100,495.98-364,682,133.54-111,911,130.36

Finding the Fourth Proportional to 243,100,495.98, 364,682,133.54 and 111,911,130.36

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Solution

The fourth proportional to 243,100,495.98, 364,682,133.54 and 111,911,130.36 is: 167,881,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,100,495.98 : 364,682,133.54 = 111,911,130.36 : x
  2. Step 2: Convert to fraction form
    243,100,495.98/364,682,133.54 = 111,911,130.36/x
  3. Step 3: Cross multiply
    243,100,495.98x = 364,682,133.54 × 111,911,130.36
  4. Step 4: Simplify right side
    243,100,495.98x = 40,811,989,786,557,872
  5. Step 5: Solve for x
    x = 40,811,989,786,557,872/243,100,495.98
  6. Step 6: Final answer
    x = 167,881,145.70

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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.