Home / 77,115,886.40-115,862,786.40-57,984,010.40

Finding the Fourth Proportional to 77,115,886.40, 115,862,786.40 and 57,984,010.40

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Solution

The fourth proportional to 77,115,886.40, 115,862,786.40 and 57,984,010.40 is: 87,118,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,115,886.40 : 115,862,786.40 = 57,984,010.40 : x
  2. Step 2: Convert to fraction form
    77,115,886.40/115,862,786.40 = 57,984,010.40/x
  3. Step 3: Cross multiply
    77,115,886.40x = 115,862,786.40 × 57,984,010.40
  4. Step 4: Simplify right side
    77,115,886.40x = 6,718,189,011,590,579
  5. Step 5: Solve for x
    x = 6,718,189,011,590,579/77,115,886.40
  6. Step 6: Final answer
    x = 87,118,093.63

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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.