Home / 156,070,485.62-215,374,451.73-86,455,651.22

Finding the Fourth Proportional to 156,070,485.62, 215,374,451.73 and 86,455,651.22

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Solution

The fourth proportional to 156,070,485.62, 215,374,451.73 and 86,455,651.22 is: 119,307,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,070,485.62 : 215,374,451.73 = 86,455,651.22 : x
  2. Step 2: Convert to fraction form
    156,070,485.62/215,374,451.73 = 86,455,651.22/x
  3. Step 3: Cross multiply
    156,070,485.62x = 215,374,451.73 × 86,455,651.22
  4. Step 4: Simplify right side
    156,070,485.62x = 18,620,338,480,467,604
  5. Step 5: Solve for x
    x = 18,620,338,480,467,604/156,070,485.62
  6. Step 6: Final answer
    x = 119,307,237.41

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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.