Home / 85,544,933.94-128,266,157.47-27,227,421.86

Finding the Fourth Proportional to 85,544,933.94, 128,266,157.47 and 27,227,421.86

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Solution

The fourth proportional to 85,544,933.94, 128,266,157.47 and 27,227,421.86 is: 40,824,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544,933.94 : 128,266,157.47 = 27,227,421.86 : x
  2. Step 2: Convert to fraction form
    85,544,933.94/128,266,157.47 = 27,227,421.86/x
  3. Step 3: Cross multiply
    85,544,933.94x = 128,266,157.47 × 27,227,421.86
  4. Step 4: Simplify right side
    85,544,933.94x = 3,492,356,779,796,880
  5. Step 5: Solve for x
    x = 3,492,356,779,796,880/85,544,933.94
  6. Step 6: Final answer
    x = 40,824,822.92

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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.