Home / 227,072,139.20-340,608,208.80-65,519,345.60

Finding the Fourth Proportional to 227,072,139.20, 340,608,208.80 and 65,519,345.60

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Solution

The fourth proportional to 227,072,139.20, 340,608,208.80 and 65,519,345.60 is: 98,279,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,072,139.20 : 340,608,208.80 = 65,519,345.60 : x
  2. Step 2: Convert to fraction form
    227,072,139.20/340,608,208.80 = 65,519,345.60/x
  3. Step 3: Cross multiply
    227,072,139.20x = 340,608,208.80 × 65,519,345.60
  4. Step 4: Simplify right side
    227,072,139.20x = 22,316,426,946,564,164
  5. Step 5: Solve for x
    x = 22,316,426,946,564,164/227,072,139.20
  6. Step 6: Final answer
    x = 98,279,018.40

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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.