Home / 85,827,814.98-128,579,717.40-50,708,137.23

Finding the Fourth Proportional to 85,827,814.98, 128,579,717.40 and 50,708,137.23

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Solution

The fourth proportional to 85,827,814.98, 128,579,717.40 and 50,708,137.23 is: 75,966,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,827,814.98 : 128,579,717.40 = 50,708,137.23 : x
  2. Step 2: Convert to fraction form
    85,827,814.98/128,579,717.40 = 50,708,137.23/x
  3. Step 3: Cross multiply
    85,827,814.98x = 128,579,717.40 × 50,708,137.23
  4. Step 4: Simplify right side
    85,827,814.98x = 6,520,037,954,913,819
  5. Step 5: Solve for x
    x = 6,520,037,954,913,819/85,827,814.98
  6. Step 6: Final answer
    x = 75,966,491.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.