Home / 81,911,638,293.68-113,033,501,205.52-45,287,636,273.52

Finding the Fourth Proportional to 81,911,638,293.68, 113,033,501,205.52 and 45,287,636,273.52

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Solution

The fourth proportional to 81,911,638,293.68, 113,033,501,205.52 and 45,287,636,273.52 is: 62,494,417,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,911,638,293.68 : 113,033,501,205.52 = 45,287,636,273.52 : x
  2. Step 2: Convert to fraction form
    81,911,638,293.68/113,033,501,205.52 = 45,287,636,273.52/x
  3. Step 3: Cross multiply
    81,911,638,293.68x = 113,033,501,205.52 × 45,287,636,273.52
  4. Step 4: Simplify right side
    81,911,638,293.68x = 5,119,020,089,318,073,958,400
  5. Step 5: Solve for x
    x = 5,119,020,089,318,073,958,400/81,911,638,293.68
  6. Step 6: Final answer
    x = 62,494,417,105.48

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1.5x scale

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.