Home / 153,363,072,945.44-211,636,980,880.48-85,698,219,183.68

Finding the Fourth Proportional to 153,363,072,945.44, 211,636,980,880.48 and 85,698,219,183.68

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Solution

The fourth proportional to 153,363,072,945.44, 211,636,980,880.48 and 85,698,219,183.68 is: 118,261,273,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,363,072,945.44 : 211,636,980,880.48 = 85,698,219,183.68 : x
  2. Step 2: Convert to fraction form
    153,363,072,945.44/211,636,980,880.48 = 85,698,219,183.68/x
  3. Step 3: Cross multiply
    153,363,072,945.44x = 211,636,980,880.48 × 85,698,219,183.68
  4. Step 4: Simplify right side
    153,363,072,945.44x = 18,136,912,374,867,668,500,480
  5. Step 5: Solve for x
    x = 18,136,912,374,867,668,500,480/153,363,072,945.44
  6. Step 6: Final answer
    x = 118,261,273,894.27

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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.