Home / 56,011,868.21-77,297,330.08-30,896,859.12

Finding the Fourth Proportional to 56,011,868.21, 77,297,330.08 and 30,896,859.12

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Solution

The fourth proportional to 56,011,868.21, 77,297,330.08 and 30,896,859.12 is: 42,638,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011,868.21 : 77,297,330.08 = 30,896,859.12 : x
  2. Step 2: Convert to fraction form
    56,011,868.21/77,297,330.08 = 30,896,859.12/x
  3. Step 3: Cross multiply
    56,011,868.21x = 77,297,330.08 × 30,896,859.12
  4. Step 4: Simplify right side
    56,011,868.21x = 2,388,244,717,582,654.50
  5. Step 5: Solve for x
    x = 2,388,244,717,582,654.50/56,011,868.21
  6. Step 6: Final answer
    x = 42,638,190.69

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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.