Home / 206,972,720.40-310,459,080.60-196,895,024.40

Finding the Fourth Proportional to 206,972,720.40, 310,459,080.60 and 196,895,024.40

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Solution

The fourth proportional to 206,972,720.40, 310,459,080.60 and 196,895,024.40 is: 295,342,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972,720.40 : 310,459,080.60 = 196,895,024.40 : x
  2. Step 2: Convert to fraction form
    206,972,720.40/310,459,080.60 = 196,895,024.40/x
  3. Step 3: Cross multiply
    206,972,720.40x = 310,459,080.60 × 196,895,024.40
  4. Step 4: Simplify right side
    206,972,720.40x = 61,127,848,249,938,576
  5. Step 5: Solve for x
    x = 61,127,848,249,938,576/206,972,720.40
  6. Step 6: Final answer
    x = 295,342,536.60

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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.