Home / 130,380,193,812.10-195,570,290,718.15-125,421,211,552.90

Finding the Fourth Proportional to 130,380,193,812.10, 195,570,290,718.15 and 125,421,211,552.90

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Solution

The fourth proportional to 130,380,193,812.10, 195,570,290,718.15 and 125,421,211,552.90 is: 188,131,817,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,193,812.10 : 195,570,290,718.15 = 125,421,211,552.90 : x
  2. Step 2: Convert to fraction form
    130,380,193,812.10/195,570,290,718.15 = 125,421,211,552.90/x
  3. Step 3: Cross multiply
    130,380,193,812.10x = 195,570,290,718.15 × 125,421,211,552.90
  4. Step 4: Simplify right side
    130,380,193,812.10x = 24,528,662,805,623,242,489,856
  5. Step 5: Solve for x
    x = 24,528,662,805,623,242,489,856/130,380,193,812.10
  6. Step 6: Final answer
    x = 188,131,817,329.35

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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.