Home / 55,316,581.78-76,334,882.16-30,536,236.77

Finding the Fourth Proportional to 55,316,581.78, 76,334,882.16 and 30,536,236.77

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Solution

The fourth proportional to 55,316,581.78, 76,334,882.16 and 30,536,236.77 is: 42,138,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,581.78 : 76,334,882.16 = 30,536,236.77 : x
  2. Step 2: Convert to fraction form
    55,316,581.78/76,334,882.16 = 30,536,236.77/x
  3. Step 3: Cross multiply
    55,316,581.78x = 76,334,882.16 × 30,536,236.77
  4. Step 4: Simplify right side
    55,316,581.78x = 2,330,980,035,447,809
  5. Step 5: Solve for x
    x = 2,330,980,035,447,809/55,316,581.78
  6. Step 6: Final answer
    x = 42,138,902.30

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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.