Home / 319,084,014.40-478,559,666.40-137,337,121.60

Finding the Fourth Proportional to 319,084,014.40, 478,559,666.40 and 137,337,121.60

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Solution

The fourth proportional to 319,084,014.40, 478,559,666.40 and 137,337,121.60 is: 205,977,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,084,014.40 : 478,559,666.40 = 137,337,121.60 : x
  2. Step 2: Convert to fraction form
    319,084,014.40/478,559,666.40 = 137,337,121.60/x
  3. Step 3: Cross multiply
    319,084,014.40x = 478,559,666.40 × 137,337,121.60
  4. Step 4: Simplify right side
    319,084,014.40x = 65,724,007,097,232,232
  5. Step 5: Solve for x
    x = 65,724,007,097,232,232/319,084,014.40
  6. Step 6: Final answer
    x = 205,977,122.42

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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.