Home / 55,620,286.15-76,748,939.96-30,495,783.70

Finding the Fourth Proportional to 55,620,286.15, 76,748,939.96 and 30,495,783.70

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Solution

The fourth proportional to 55,620,286.15, 76,748,939.96 and 30,495,783.70 is: 42,080,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620,286.15 : 76,748,939.96 = 30,495,783.70 : x
  2. Step 2: Convert to fraction form
    55,620,286.15/76,748,939.96 = 30,495,783.70/x
  3. Step 3: Cross multiply
    55,620,286.15x = 76,748,939.96 × 30,495,783.70
  4. Step 4: Simplify right side
    55,620,286.15x = 2,340,519,072,224,446.50
  5. Step 5: Solve for x
    x = 2,340,519,072,224,446.50/55,620,286.15
  6. Step 6: Final answer
    x = 42,080,313.40

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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.