Home / 159,503,570,420.33-220,115,590,358.79-86,259,801,123.34

Finding the Fourth Proportional to 159,503,570,420.33, 220,115,590,358.79 and 86,259,801,123.34

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Solution

The fourth proportional to 159,503,570,420.33, 220,115,590,358.79 and 86,259,801,123.34 is: 119,038,884,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503,570,420.33 : 220,115,590,358.79 = 86,259,801,123.34 : x
  2. Step 2: Convert to fraction form
    159,503,570,420.33/220,115,590,358.79 = 86,259,801,123.34/x
  3. Step 3: Cross multiply
    159,503,570,420.33x = 220,115,590,358.79 × 86,259,801,123.34
  4. Step 4: Simplify right side
    159,503,570,420.33x = 18,987,127,048,495,142,273,024
  5. Step 5: Solve for x
    x = 18,987,127,048,495,142,273,024/159,503,570,420.33
  6. Step 6: Final answer
    x = 119,038,884,198.39

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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.