Home / 357,318,009.80-535,977,014.70-127,294,598.60

Finding the Fourth Proportional to 357,318,009.80, 535,977,014.70 and 127,294,598.60

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Solution

The fourth proportional to 357,318,009.80, 535,977,014.70 and 127,294,598.60 is: 190,941,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,318,009.80 : 535,977,014.70 = 127,294,598.60 : x
  2. Step 2: Convert to fraction form
    357,318,009.80/535,977,014.70 = 127,294,598.60/x
  3. Step 3: Cross multiply
    357,318,009.80x = 535,977,014.70 × 127,294,598.60
  4. Step 4: Simplify right side
    357,318,009.80x = 68,226,978,945,062,792
  5. Step 5: Solve for x
    x = 68,226,978,945,062,792/357,318,009.80
  6. Step 6: Final answer
    x = 190,941,897.90

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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.