Home / 77,684,186.88-107,240,457.60-45,082,840.32

Finding the Fourth Proportional to 77,684,186.88, 107,240,457.60 and 45,082,840.32

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Solution

The fourth proportional to 77,684,186.88, 107,240,457.60 and 45,082,840.32 is: 62,235,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,186.88 : 107,240,457.60 = 45,082,840.32 : x
  2. Step 2: Convert to fraction form
    77,684,186.88/107,240,457.60 = 45,082,840.32/x
  3. Step 3: Cross multiply
    77,684,186.88x = 107,240,457.60 × 45,082,840.32
  4. Step 4: Simplify right side
    77,684,186.88x = 4,834,704,425,824,530
  5. Step 5: Solve for x
    x = 4,834,704,425,824,530/77,684,186.88
  6. Step 6: Final answer
    x = 62,235,374.02

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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.