Home / 77,102,393.40-115,653,983.63-25,984,855.08

Finding the Fourth Proportional to 77,102,393.40, 115,653,983.63 and 25,984,855.08

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Solution

The fourth proportional to 77,102,393.40, 115,653,983.63 and 25,984,855.08 is: 38,977,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,393.40 : 115,653,983.63 = 25,984,855.08 : x
  2. Step 2: Convert to fraction form
    77,102,393.40/115,653,983.63 = 25,984,855.08/x
  3. Step 3: Cross multiply
    77,102,393.40x = 115,653,983.63 × 25,984,855.08
  4. Step 4: Simplify right side
    77,102,393.40x = 3,005,252,003,920,318
  5. Step 5: Solve for x
    x = 3,005,252,003,920,318/77,102,393.40
  6. Step 6: Final answer
    x = 38,977,415.24

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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.