Home / 91,362,994.50-125,941,451.10-56,015,358.96

Finding the Fourth Proportional to 91,362,994.50, 125,941,451.10 and 56,015,358.96

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Solution

The fourth proportional to 91,362,994.50, 125,941,451.10 and 56,015,358.96 is: 77,215,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,362,994.50 : 125,941,451.10 = 56,015,358.96 : x
  2. Step 2: Convert to fraction form
    91,362,994.50/125,941,451.10 = 56,015,358.96/x
  3. Step 3: Cross multiply
    91,362,994.50x = 125,941,451.10 × 56,015,358.96
  4. Step 4: Simplify right side
    91,362,994.50x = 7,054,655,591,309,787
  5. Step 5: Solve for x
    x = 7,054,655,591,309,787/91,362,994.50
  6. Step 6: Final answer
    x = 77,215,678.29

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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.