Home / 210,939,938,840.64-291,122,071,023.64-125,301,242,933.93

Finding the Fourth Proportional to 210,939,938,840.64, 291,122,071,023.64 and 125,301,242,933.93

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Solution

The fourth proportional to 210,939,938,840.64, 291,122,071,023.64 and 125,301,242,933.93 is: 172,930,539,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,939,938,840.64 : 291,122,071,023.64 = 125,301,242,933.93 : x
  2. Step 2: Convert to fraction form
    210,939,938,840.64/291,122,071,023.64 = 125,301,242,933.93/x
  3. Step 3: Cross multiply
    210,939,938,840.64x = 291,122,071,023.64 × 125,301,242,933.93
  4. Step 4: Simplify right side
    210,939,938,840.64x = 36,477,957,344,761,938,444,288
  5. Step 5: Solve for x
    x = 36,477,957,344,761,938,444,288/210,939,938,840.64
  6. Step 6: Final answer
    x = 172,930,539,115.78

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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.