Home / 85,423,725.80-128,123,147.10-24,833,133.80

Finding the Fourth Proportional to 85,423,725.80, 128,123,147.10 and 24,833,133.80

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Solution

The fourth proportional to 85,423,725.80, 128,123,147.10 and 24,833,133.80 is: 37,246,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,423,725.80 : 128,123,147.10 = 24,833,133.80 : x
  2. Step 2: Convert to fraction form
    85,423,725.80/128,123,147.10 = 24,833,133.80/x
  3. Step 3: Cross multiply
    85,423,725.80x = 128,123,147.10 × 24,833,133.80
  4. Step 4: Simplify right side
    85,423,725.80x = 3,181,699,254,811,382
  5. Step 5: Solve for x
    x = 3,181,699,254,811,382/85,423,725.80
  6. Step 6: Final answer
    x = 37,246,083.86

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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.