Home / 84,037,555.86-115,971,827.31-45,406,387.86

Finding the Fourth Proportional to 84,037,555.86, 115,971,827.31 and 45,406,387.86

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Solution

The fourth proportional to 84,037,555.86, 115,971,827.31 and 45,406,387.86 is: 62,660,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037,555.86 : 115,971,827.31 = 45,406,387.86 : x
  2. Step 2: Convert to fraction form
    84,037,555.86/115,971,827.31 = 45,406,387.86/x
  3. Step 3: Cross multiply
    84,037,555.86x = 115,971,827.31 × 45,406,387.86
  4. Step 4: Simplify right side
    84,037,555.86x = 5,265,861,771,670,800
  5. Step 5: Solve for x
    x = 5,265,861,771,670,800/84,037,555.86
  6. Step 6: Final answer
    x = 62,660,815.37

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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.