Home / 210,939,938,839.64-291,122,071,022.26-125,301,242,932.93

Finding the Fourth Proportional to 210,939,938,839.64, 291,122,071,022.26 and 125,301,242,932.93

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Solution

The fourth proportional to 210,939,938,839.64, 291,122,071,022.26 and 125,301,242,932.93 is: 172,930,539,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,939,938,839.64 : 291,122,071,022.26 = 125,301,242,932.93 : x
  2. Step 2: Convert to fraction form
    210,939,938,839.64/291,122,071,022.26 = 125,301,242,932.93/x
  3. Step 3: Cross multiply
    210,939,938,839.64x = 291,122,071,022.26 × 125,301,242,932.93
  4. Step 4: Simplify right side
    210,939,938,839.64x = 36,477,957,344,297,901,621,248
  5. Step 5: Solve for x
    x = 36,477,957,344,297,901,621,248/210,939,938,839.64
  6. Step 6: Final answer
    x = 172,930,539,114.40

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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.