Home / 340,339,358.76-510,637,699.34-133,225,789.51

Finding the Fourth Proportional to 340,339,358.76, 510,637,699.34 and 133,225,789.51

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Solution

The fourth proportional to 340,339,358.76, 510,637,699.34 and 133,225,789.51 is: 199,889,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,339,358.76 : 510,637,699.34 = 133,225,789.51 : x
  2. Step 2: Convert to fraction form
    340,339,358.76/510,637,699.34 = 133,225,789.51/x
  3. Step 3: Cross multiply
    340,339,358.76x = 510,637,699.34 × 133,225,789.51
  4. Step 4: Simplify right side
    340,339,358.76x = 68,030,110,648,141,504
  5. Step 5: Solve for x
    x = 68,030,110,648,141,504/340,339,358.76
  6. Step 6: Final answer
    x = 199,889,048.67

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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.