Home / 157,132,815,411.12-216,843,372,255.60-84,874,879,886.64

Finding the Fourth Proportional to 157,132,815,411.12, 216,843,372,255.60 and 84,874,879,886.64

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Solution

The fourth proportional to 157,132,815,411.12, 216,843,372,255.60 and 84,874,879,886.64 is: 117,127,381,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,132,815,411.12 : 216,843,372,255.60 = 84,874,879,886.64 : x
  2. Step 2: Convert to fraction form
    157,132,815,411.12/216,843,372,255.60 = 84,874,879,886.64/x
  3. Step 3: Cross multiply
    157,132,815,411.12x = 216,843,372,255.60 × 84,874,879,886.64
  4. Step 4: Simplify right side
    157,132,815,411.12x = 18,404,555,174,408,014,004,224
  5. Step 5: Solve for x
    x = 18,404,555,174,408,014,004,224/157,132,815,411.12
  6. Step 6: Final answer
    x = 117,127,381,230.04

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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.