Home / 209,464,007.40-314,337,728.70-94,389,316.20

Finding the Fourth Proportional to 209,464,007.40, 314,337,728.70 and 94,389,316.20

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Solution

The fourth proportional to 209,464,007.40, 314,337,728.70 and 94,389,316.20 is: 141,647,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,464,007.40 : 314,337,728.70 = 94,389,316.20 : x
  2. Step 2: Convert to fraction form
    209,464,007.40/314,337,728.70 = 94,389,316.20/x
  3. Step 3: Cross multiply
    209,464,007.40x = 314,337,728.70 × 94,389,316.20
  4. Step 4: Simplify right side
    209,464,007.40x = 29,670,123,267,854,116
  5. Step 5: Solve for x
    x = 29,670,123,267,854,116/209,464,007.40
  6. Step 6: Final answer
    x = 141,647,835.52

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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.