Home / 166,658,008-229,989,890.04-92,319,707.20

Finding the Fourth Proportional to 166,658,008, 229,989,890.04 and 92,319,707.20

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Solution

The fourth proportional to 166,658,008, 229,989,890.04 and 92,319,707.20 is: 127,402,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,658,008 : 229,989,890.04 = 92,319,707.20 : x
  2. Step 2: Convert to fraction form
    166,658,008/229,989,890.04 = 92,319,707.20/x
  3. Step 3: Cross multiply
    166,658,008x = 229,989,890.04 × 92,319,707.20
  4. Step 4: Simplify right side
    166,658,008x = 21,232,599,307,452,996
  5. Step 5: Solve for x
    x = 21,232,599,307,452,996/166,658,008
  6. Step 6: Final answer
    x = 127,402,214.64

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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.