Home / 313,996,729.78-433,307,567.37-172,866,541.24

Finding the Fourth Proportional to 313,996,729.78, 433,307,567.37 and 172,866,541.24

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Solution

The fourth proportional to 313,996,729.78, 433,307,567.37 and 172,866,541.24 is: 238,551,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,996,729.78 : 433,307,567.37 = 172,866,541.24 : x
  2. Step 2: Convert to fraction form
    313,996,729.78/433,307,567.37 = 172,866,541.24/x
  3. Step 3: Cross multiply
    313,996,729.78x = 433,307,567.37 × 172,866,541.24
  4. Step 4: Simplify right side
    313,996,729.78x = 74,904,380,461,969,200
  5. Step 5: Solve for x
    x = 74,904,380,461,969,200/313,996,729.78
  6. Step 6: Final answer
    x = 238,551,466.81

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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.