Home / 55,316,558.84-76,334,850.14-30,536,213.45

Finding the Fourth Proportional to 55,316,558.84, 76,334,850.14 and 30,536,213.45

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Solution

The fourth proportional to 55,316,558.84, 76,334,850.14 and 30,536,213.45 is: 42,138,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,558.84 : 76,334,850.14 = 30,536,213.45 : x
  2. Step 2: Convert to fraction form
    55,316,558.84/76,334,850.14 = 30,536,213.45/x
  3. Step 3: Cross multiply
    55,316,558.84x = 76,334,850.14 × 30,536,213.45
  4. Step 4: Simplify right side
    55,316,558.84x = 2,330,977,277,815,980
  5. Step 5: Solve for x
    x = 2,330,977,277,815,980/55,316,558.84
  6. Step 6: Final answer
    x = 42,138,869.93

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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.