Home / 144,292,404.57-199,118,183.63-78,211,484.01

Finding the Fourth Proportional to 144,292,404.57, 199,118,183.63 and 78,211,484.01

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Solution

The fourth proportional to 144,292,404.57, 199,118,183.63 and 78,211,484.01 is: 107,928,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292,404.57 : 199,118,183.63 = 78,211,484.01 : x
  2. Step 2: Convert to fraction form
    144,292,404.57/199,118,183.63 = 78,211,484.01/x
  3. Step 3: Cross multiply
    144,292,404.57x = 199,118,183.63 × 78,211,484.01
  4. Step 4: Simplify right side
    144,292,404.57x = 15,573,328,634,686,932
  5. Step 5: Solve for x
    x = 15,573,328,634,686,932/144,292,404.57
  6. Step 6: Final answer
    x = 107,928,956.35

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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.