Home / 72,592,143.63-100,155,667.62-43,199,913.39

Finding the Fourth Proportional to 72,592,143.63, 100,155,667.62 and 43,199,913.39

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Solution

The fourth proportional to 72,592,143.63, 100,155,667.62 and 43,199,913.39 is: 59,603,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,143.63 : 100,155,667.62 = 43,199,913.39 : x
  2. Step 2: Convert to fraction form
    72,592,143.63/100,155,667.62 = 43,199,913.39/x
  3. Step 3: Cross multiply
    72,592,143.63x = 100,155,667.62 × 43,199,913.39
  4. Step 4: Simplify right side
    72,592,143.63x = 4,326,716,166,701,627.50
  5. Step 5: Solve for x
    x = 4,326,716,166,701,627.50/72,592,143.63
  6. Step 6: Final answer
    x = 59,603,091.33

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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.