Home / 82,774,431.60-114,223,250.40-49,715,036.88

Finding the Fourth Proportional to 82,774,431.60, 114,223,250.40 and 49,715,036.88

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Solution

The fourth proportional to 82,774,431.60, 114,223,250.40 and 49,715,036.88 is: 68,603,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,774,431.60 : 114,223,250.40 = 49,715,036.88 : x
  2. Step 2: Convert to fraction form
    82,774,431.60/114,223,250.40 = 49,715,036.88/x
  3. Step 3: Cross multiply
    82,774,431.60x = 114,223,250.40 × 49,715,036.88
  4. Step 4: Simplify right side
    82,774,431.60x = 5,678,613,106,189,475
  5. Step 5: Solve for x
    x = 5,678,613,106,189,475/82,774,431.60
  6. Step 6: Final answer
    x = 68,603,468.44

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1.5x scale

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.