Home / 55,316,581.28-76,334,881.47-30,536,236.27

Finding the Fourth Proportional to 55,316,581.28, 76,334,881.47 and 30,536,236.27

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Solution

The fourth proportional to 55,316,581.28, 76,334,881.47 and 30,536,236.27 is: 42,138,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,581.28 : 76,334,881.47 = 30,536,236.27 : x
  2. Step 2: Convert to fraction form
    55,316,581.28/76,334,881.47 = 30,536,236.27/x
  3. Step 3: Cross multiply
    55,316,581.28x = 76,334,881.47 × 30,536,236.27
  4. Step 4: Simplify right side
    55,316,581.28x = 2,330,979,976,277,140.50
  5. Step 5: Solve for x
    x = 2,330,979,976,277,140.50/55,316,581.28
  6. Step 6: Final answer
    x = 42,138,901.61

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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.