Home / 153,557,597-211,910,893.88-87,477,115.88

Finding the Fourth Proportional to 153,557,597, 211,910,893.88 and 87,477,115.88

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Solution

The fourth proportional to 153,557,597, 211,910,893.88 and 87,477,115.88 is: 120,719,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,557,597 : 211,910,893.88 = 87,477,115.88 : x
  2. Step 2: Convert to fraction form
    153,557,597/211,910,893.88 = 87,477,115.88/x
  3. Step 3: Cross multiply
    153,557,597x = 211,910,893.88 × 87,477,115.88
  4. Step 4: Simplify right side
    153,557,597x = 18,537,353,820,175,140
  5. Step 5: Solve for x
    x = 18,537,353,820,175,140/153,557,597
  6. Step 6: Final answer
    x = 120,719,223.16

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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.