Home / 153,617,994,212.55-211,988,229,792.43-85,032,218,631.60

Finding the Fourth Proportional to 153,617,994,212.55, 211,988,229,792.43 and 85,032,218,631.60

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Solution

The fourth proportional to 153,617,994,212.55, 211,988,229,792.43 and 85,032,218,631.60 is: 117,341,914,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,617,994,212.55 : 211,988,229,792.43 = 85,032,218,631.60 : x
  2. Step 2: Convert to fraction form
    153,617,994,212.55/211,988,229,792.43 = 85,032,218,631.60/x
  3. Step 3: Cross multiply
    153,617,994,212.55x = 211,988,229,792.43 × 85,032,218,631.60
  4. Step 4: Simplify right side
    153,617,994,212.55x = 18,025,829,503,035,768,832,000
  5. Step 5: Solve for x
    x = 18,025,829,503,035,768,832,000/153,617,994,212.55
  6. Step 6: Final answer
    x = 117,341,914,242.77

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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.