Home / 210,939,938,813.02-291,122,070,985.46-125,301,242,906.32

Finding the Fourth Proportional to 210,939,938,813.02, 291,122,070,985.46 and 125,301,242,906.32

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Solution

The fourth proportional to 210,939,938,813.02, 291,122,070,985.46 and 125,301,242,906.32 is: 172,930,539,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,939,938,813.02 : 291,122,070,985.46 = 125,301,242,906.32 : x
  2. Step 2: Convert to fraction form
    210,939,938,813.02/291,122,070,985.46 = 125,301,242,906.32/x
  3. Step 3: Cross multiply
    210,939,938,813.02x = 291,122,070,985.46 × 125,301,242,906.32
  4. Step 4: Simplify right side
    210,939,938,813.02x = 36,477,957,331,940,060,168,192
  5. Step 5: Solve for x
    x = 36,477,957,331,940,060,168,192/210,939,938,813.02
  6. Step 6: Final answer
    x = 172,930,539,077.64

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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.