Home / 82,369,961.64-113,670,561.06-45,700,445.16

Finding the Fourth Proportional to 82,369,961.64, 113,670,561.06 and 45,700,445.16

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Solution

The fourth proportional to 82,369,961.64, 113,670,561.06 and 45,700,445.16 is: 63,066,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,369,961.64 : 113,670,561.06 = 45,700,445.16 : x
  2. Step 2: Convert to fraction form
    82,369,961.64/113,670,561.06 = 45,700,445.16/x
  3. Step 3: Cross multiply
    82,369,961.64x = 113,670,561.06 × 45,700,445.16
  4. Step 4: Simplify right side
    82,369,961.64x = 5,194,795,242,028,961
  5. Step 5: Solve for x
    x = 5,194,795,242,028,961/82,369,961.64
  6. Step 6: Final answer
    x = 63,066,622.09

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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.