Home / 139,968,986.70-209,953,480.05-37,743,357.90

Finding the Fourth Proportional to 139,968,986.70, 209,953,480.05 and 37,743,357.90

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Solution

The fourth proportional to 139,968,986.70, 209,953,480.05 and 37,743,357.90 is: 56,615,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,986.70 : 209,953,480.05 = 37,743,357.90 : x
  2. Step 2: Convert to fraction form
    139,968,986.70/209,953,480.05 = 37,743,357.90/x
  3. Step 3: Cross multiply
    139,968,986.70x = 209,953,480.05 × 37,743,357.90
  4. Step 4: Simplify right side
    139,968,986.70x = 7,924,349,339,877,660
  5. Step 5: Solve for x
    x = 7,924,349,339,877,660/139,968,986.70
  6. Step 6: Final answer
    x = 56,615,036.85

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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.