Home / 119,438,757.43-164,814,977.28-66,511,465.68

Finding the Fourth Proportional to 119,438,757.43, 164,814,977.28 and 66,511,465.68

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Solution

The fourth proportional to 119,438,757.43, 164,814,977.28 and 66,511,465.68 is: 91,779,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,438,757.43 : 164,814,977.28 = 66,511,465.68 : x
  2. Step 2: Convert to fraction form
    119,438,757.43/164,814,977.28 = 66,511,465.68/x
  3. Step 3: Cross multiply
    119,438,757.43x = 164,814,977.28 × 66,511,465.68
  4. Step 4: Simplify right side
    119,438,757.43x = 10,962,085,704,908,700
  5. Step 5: Solve for x
    x = 10,962,085,704,908,700/119,438,757.43
  6. Step 6: Final answer
    x = 91,779,971.10

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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.