Home / 222,539,090.01-307,063,337.74-128,418,900.58

Finding the Fourth Proportional to 222,539,090.01, 307,063,337.74 and 128,418,900.58

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Solution

The fourth proportional to 222,539,090.01, 307,063,337.74 and 128,418,900.58 is: 177,194,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,539,090.01 : 307,063,337.74 = 128,418,900.58 : x
  2. Step 2: Convert to fraction form
    222,539,090.01/307,063,337.74 = 128,418,900.58/x
  3. Step 3: Cross multiply
    222,539,090.01x = 307,063,337.74 × 128,418,900.58
  4. Step 4: Simplify right side
    222,539,090.01x = 39,432,736,240,996,024
  5. Step 5: Solve for x
    x = 39,432,736,240,996,024/222,539,090.01
  6. Step 6: Final answer
    x = 177,194,650.34

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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.