Home / 121,569,984,010.40-182,354,976,015.60-101,978,942,986.40

Finding the Fourth Proportional to 121,569,984,010.40, 182,354,976,015.60 and 101,978,942,986.40

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Solution

The fourth proportional to 121,569,984,010.40, 182,354,976,015.60 and 101,978,942,986.40 is: 152,968,414,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569,984,010.40 : 182,354,976,015.60 = 101,978,942,986.40 : x
  2. Step 2: Convert to fraction form
    121,569,984,010.40/182,354,976,015.60 = 101,978,942,986.40/x
  3. Step 3: Cross multiply
    121,569,984,010.40x = 182,354,976,015.60 × 101,978,942,986.40
  4. Step 4: Simplify right side
    121,569,984,010.40x = 18,596,367,702,381,211,680,768
  5. Step 5: Solve for x
    x = 18,596,367,702,381,211,680,768/121,569,984,010.40
  6. Step 6: Final answer
    x = 152,968,414,479.60

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1.5x scale

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.