Home / 153,557,595-211,910,891.12-87,477,113.88

Finding the Fourth Proportional to 153,557,595, 211,910,891.12 and 87,477,113.88

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Solution

The fourth proportional to 153,557,595, 211,910,891.12 and 87,477,113.88 is: 120,719,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,557,595 : 211,910,891.12 = 87,477,113.88 : x
  2. Step 2: Convert to fraction form
    153,557,595/211,910,891.12 = 87,477,113.88/x
  3. Step 3: Cross multiply
    153,557,595x = 211,910,891.12 × 87,477,113.88
  4. Step 4: Simplify right side
    153,557,595x = 18,537,353,154,916,520
  5. Step 5: Solve for x
    x = 18,537,353,154,916,520/153,557,595
  6. Step 6: Final answer
    x = 120,719,220.40

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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.