Home / 139,518,918.84-209,291,415.17-41,150,721.32

Finding the Fourth Proportional to 139,518,918.84, 209,291,415.17 and 41,150,721.32

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Solution

The fourth proportional to 139,518,918.84, 209,291,415.17 and 41,150,721.32 is: 61,729,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,518,918.84 : 209,291,415.17 = 41,150,721.32 : x
  2. Step 2: Convert to fraction form
    139,518,918.84/209,291,415.17 = 41,150,721.32/x
  3. Step 3: Cross multiply
    139,518,918.84x = 209,291,415.17 × 41,150,721.32
  4. Step 4: Simplify right side
    139,518,918.84x = 8,612,492,699,980,560
  5. Step 5: Solve for x
    x = 8,612,492,699,980,560/139,518,918.84
  6. Step 6: Final answer
    x = 61,729,927.18

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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.