Home / 243,247,271.37-335,679,570.72-131,735,547.60

Finding the Fourth Proportional to 243,247,271.37, 335,679,570.72 and 131,735,547.60

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Solution

The fourth proportional to 243,247,271.37, 335,679,570.72 and 131,735,547.60 is: 181,794,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,247,271.37 : 335,679,570.72 = 131,735,547.60 : x
  2. Step 2: Convert to fraction form
    243,247,271.37/335,679,570.72 = 131,735,547.60/x
  3. Step 3: Cross multiply
    243,247,271.37x = 335,679,570.72 × 131,735,547.60
  4. Step 4: Simplify right side
    243,247,271.37x = 44,220,932,066,932,128
  5. Step 5: Solve for x
    x = 44,220,932,066,932,128/243,247,271.37
  6. Step 6: Final answer
    x = 181,794,154.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.