Home / 86,370,389.98-119,191,143.81-47,212,321.84

Finding the Fourth Proportional to 86,370,389.98, 119,191,143.81 and 47,212,321.84

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Solution

The fourth proportional to 86,370,389.98, 119,191,143.81 and 47,212,321.84 is: 65,153,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,370,389.98 : 119,191,143.81 = 47,212,321.84 : x
  2. Step 2: Convert to fraction form
    86,370,389.98/119,191,143.81 = 47,212,321.84/x
  3. Step 3: Cross multiply
    86,370,389.98x = 119,191,143.81 × 47,212,321.84
  4. Step 4: Simplify right side
    86,370,389.98x = 5,627,290,642,035,444
  5. Step 5: Solve for x
    x = 5,627,290,642,035,444/86,370,389.98
  6. Step 6: Final answer
    x = 65,153,007.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.