Home / 80,197,461.81-110,672,579.21-43,528,040.37

Finding the Fourth Proportional to 80,197,461.81, 110,672,579.21 and 43,528,040.37

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Solution

The fourth proportional to 80,197,461.81, 110,672,579.21 and 43,528,040.37 is: 60,068,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,197,461.81 : 110,672,579.21 = 43,528,040.37 : x
  2. Step 2: Convert to fraction form
    80,197,461.81/110,672,579.21 = 43,528,040.37/x
  3. Step 3: Cross multiply
    80,197,461.81x = 110,672,579.21 × 43,528,040.37
  4. Step 4: Simplify right side
    80,197,461.81x = 4,817,360,495,487,262
  5. Step 5: Solve for x
    x = 4,817,360,495,487,262/80,197,461.81
  6. Step 6: Final answer
    x = 60,068,740.17

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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.