Home / 311,807,323.86-430,294,241.64-170,679,349.26

Finding the Fourth Proportional to 311,807,323.86, 430,294,241.64 and 170,679,349.26

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Solution

The fourth proportional to 311,807,323.86, 430,294,241.64 and 170,679,349.26 is: 235,537,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,807,323.86 : 430,294,241.64 = 170,679,349.26 : x
  2. Step 2: Convert to fraction form
    311,807,323.86/430,294,241.64 = 170,679,349.26/x
  3. Step 3: Cross multiply
    311,807,323.86x = 430,294,241.64 × 170,679,349.26
  4. Step 4: Simplify right side
    311,807,323.86x = 73,442,341,153,440,384
  5. Step 5: Solve for x
    x = 73,442,341,153,440,384/311,807,323.86
  6. Step 6: Final answer
    x = 235,537,575.72

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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.