Home / 338,928,161.65-508,588,384.47-142,173,954.55

Finding the Fourth Proportional to 338,928,161.65, 508,588,384.47 and 142,173,954.55

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Solution

The fourth proportional to 338,928,161.65, 508,588,384.47 and 142,173,954.55 is: 213,343,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,928,161.65 : 508,588,384.47 = 142,173,954.55 : x
  2. Step 2: Convert to fraction form
    338,928,161.65/508,588,384.47 = 142,173,954.55/x
  3. Step 3: Cross multiply
    338,928,161.65x = 508,588,384.47 × 142,173,954.55
  4. Step 4: Simplify right side
    338,928,161.65x = 72,308,021,858,295,712
  5. Step 5: Solve for x
    x = 72,308,021,858,295,712/338,928,161.65
  6. Step 6: Final answer
    x = 213,343,209.68

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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.