Home / 51,464,547.84-77,179,694.40-20,751,194.40

Finding the Fourth Proportional to 51,464,547.84, 77,179,694.40 and 20,751,194.40

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Solution

The fourth proportional to 51,464,547.84, 77,179,694.40 and 20,751,194.40 is: 31,119,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,464,547.84 : 77,179,694.40 = 20,751,194.40 : x
  2. Step 2: Convert to fraction form
    51,464,547.84/77,179,694.40 = 20,751,194.40/x
  3. Step 3: Cross multiply
    51,464,547.84x = 77,179,694.40 × 20,751,194.40
  4. Step 4: Simplify right side
    51,464,547.84x = 1,601,570,842,226,991.25
  5. Step 5: Solve for x
    x = 1,601,570,842,226,991.25/51,464,547.84
  6. Step 6: Final answer
    x = 31,119,885.62

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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.