Home / 259,072,001.60-388,608,002.40-67,595,777.60

Finding the Fourth Proportional to 259,072,001.60, 388,608,002.40 and 67,595,777.60

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Solution

The fourth proportional to 259,072,001.60, 388,608,002.40 and 67,595,777.60 is: 101,393,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,072,001.60 : 388,608,002.40 = 67,595,777.60 : x
  2. Step 2: Convert to fraction form
    259,072,001.60/388,608,002.40 = 67,595,777.60/x
  3. Step 3: Cross multiply
    259,072,001.60x = 388,608,002.40 × 67,595,777.60
  4. Step 4: Simplify right side
    259,072,001.60x = 26,268,260,103,810,664
  5. Step 5: Solve for x
    x = 26,268,260,103,810,664/259,072,001.60
  6. Step 6: Final answer
    x = 101,393,666.40

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1.5x scale

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.