Home / 399,310,751.40-598,966,127.10-112,059,090.60

Finding the Fourth Proportional to 399,310,751.40, 598,966,127.10 and 112,059,090.60

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Solution

The fourth proportional to 399,310,751.40, 598,966,127.10 and 112,059,090.60 is: 168,088,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,310,751.40 : 598,966,127.10 = 112,059,090.60 : x
  2. Step 2: Convert to fraction form
    399,310,751.40/598,966,127.10 = 112,059,090.60/x
  3. Step 3: Cross multiply
    399,310,751.40x = 598,966,127.10 × 112,059,090.60
  4. Step 4: Simplify right side
    399,310,751.40x = 67,119,599,503,030,016
  5. Step 5: Solve for x
    x = 67,119,599,503,030,016/399,310,751.40
  6. Step 6: Final answer
    x = 168,088,635.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.