Home / 105,401,850.48-145,421,409.24-58,984,729.20

Finding the Fourth Proportional to 105,401,850.48, 145,421,409.24 and 58,984,729.20

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Solution

The fourth proportional to 105,401,850.48, 145,421,409.24 and 58,984,729.20 is: 81,380,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,401,850.48 : 145,421,409.24 = 58,984,729.20 : x
  2. Step 2: Convert to fraction form
    105,401,850.48/145,421,409.24 = 58,984,729.20/x
  3. Step 3: Cross multiply
    105,401,850.48x = 145,421,409.24 × 58,984,729.20
  4. Step 4: Simplify right side
    105,401,850.48x = 8,577,642,443,903,779
  5. Step 5: Solve for x
    x = 8,577,642,443,903,779/105,401,850.48
  6. Step 6: Final answer
    x = 81,380,378.09

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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.