Home / 103,080,815.58-154,284,768.81-75,779,875.74

Finding the Fourth Proportional to 103,080,815.58, 154,284,768.81 and 75,779,875.74

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Solution

The fourth proportional to 103,080,815.58, 154,284,768.81 and 75,779,875.74 is: 113,422,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,080,815.58 : 154,284,768.81 = 75,779,875.74 : x
  2. Step 2: Convert to fraction form
    103,080,815.58/154,284,768.81 = 75,779,875.74/x
  3. Step 3: Cross multiply
    103,080,815.58x = 154,284,768.81 × 75,779,875.74
  4. Step 4: Simplify right side
    103,080,815.58x = 11,691,680,608,996,428
  5. Step 5: Solve for x
    x = 11,691,680,608,996,428/103,080,815.58
  6. Step 6: Final answer
    x = 113,422,468.99

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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.