Home / 133,211,802.90-199,815,438.06-39,838,987.86

Finding the Fourth Proportional to 133,211,802.90, 199,815,438.06 and 39,838,987.86

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Solution

The fourth proportional to 133,211,802.90, 199,815,438.06 and 39,838,987.86 is: 59,757,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,211,802.90 : 199,815,438.06 = 39,838,987.86 : x
  2. Step 2: Convert to fraction form
    133,211,802.90/199,815,438.06 = 39,838,987.86/x
  3. Step 3: Cross multiply
    133,211,802.90x = 199,815,438.06 × 39,838,987.86
  4. Step 4: Simplify right side
    133,211,802.90x = 7,960,444,811,112,922
  5. Step 5: Solve for x
    x = 7,960,444,811,112,922/133,211,802.90
  6. Step 6: Final answer
    x = 59,757,804.02

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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.