Home / 152,993,636.11-211,105,369.01-86,003,671.23

Finding the Fourth Proportional to 152,993,636.11, 211,105,369.01 and 86,003,671.23

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Solution

The fourth proportional to 152,993,636.11, 211,105,369.01 and 86,003,671.23 is: 118,670,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,993,636.11 : 211,105,369.01 = 86,003,671.23 : x
  2. Step 2: Convert to fraction form
    152,993,636.11/211,105,369.01 = 86,003,671.23/x
  3. Step 3: Cross multiply
    152,993,636.11x = 211,105,369.01 × 86,003,671.23
  4. Step 4: Simplify right side
    152,993,636.11x = 18,155,836,751,615,272
  5. Step 5: Solve for x
    x = 18,155,836,751,615,272/152,993,636.11
  6. Step 6: Final answer
    x = 118,670,535.67

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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.