Home / 104,575,612.40-156,863,418.60-47,179,984.40

Finding the Fourth Proportional to 104,575,612.40, 156,863,418.60 and 47,179,984.40

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Solution

The fourth proportional to 104,575,612.40, 156,863,418.60 and 47,179,984.40 is: 70,769,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575,612.40 : 156,863,418.60 = 47,179,984.40 : x
  2. Step 2: Convert to fraction form
    104,575,612.40/156,863,418.60 = 47,179,984.40/x
  3. Step 3: Cross multiply
    104,575,612.40x = 156,863,418.60 × 47,179,984.40
  4. Step 4: Simplify right side
    104,575,612.40x = 7,400,813,642,478,669
  5. Step 5: Solve for x
    x = 7,400,813,642,478,669/104,575,612.40
  6. Step 6: Final answer
    x = 70,769,976.60

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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.