Home / 76,268,793.84-105,152,145.35-49,398,316.76

Finding the Fourth Proportional to 76,268,793.84, 105,152,145.35 and 49,398,316.76

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Solution

The fourth proportional to 76,268,793.84, 105,152,145.35 and 49,398,316.76 is: 68,105,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268,793.84 : 105,152,145.35 = 49,398,316.76 : x
  2. Step 2: Convert to fraction form
    76,268,793.84/105,152,145.35 = 49,398,316.76/x
  3. Step 3: Cross multiply
    76,268,793.84x = 105,152,145.35 × 49,398,316.76
  4. Step 4: Simplify right side
    76,268,793.84x = 5,194,338,983,590,597
  5. Step 5: Solve for x
    x = 5,194,338,983,590,597/76,268,793.84
  6. Step 6: Final answer
    x = 68,105,692.01

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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.