Home / 130,380,195,981.80-195,570,293,972.70-67,618,076,763.80

Finding the Fourth Proportional to 130,380,195,981.80, 195,570,293,972.70 and 67,618,076,763.80

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Solution

The fourth proportional to 130,380,195,981.80, 195,570,293,972.70 and 67,618,076,763.80 is: 101,427,115,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,195,981.80 : 195,570,293,972.70 = 67,618,076,763.80 : x
  2. Step 2: Convert to fraction form
    130,380,195,981.80/195,570,293,972.70 = 67,618,076,763.80/x
  3. Step 3: Cross multiply
    130,380,195,981.80x = 195,570,293,972.70 × 67,618,076,763.80
  4. Step 4: Simplify right side
    130,380,195,981.80x = 13,224,087,150,564,963,516,416
  5. Step 5: Solve for x
    x = 13,224,087,150,564,963,516,416/130,380,195,981.80
  6. Step 6: Final answer
    x = 101,427,115,145.70

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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.