Home / 76,640,902.40-105,748,656.91-44,039,555.84

Finding the Fourth Proportional to 76,640,902.40, 105,748,656.91 and 44,039,555.84

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Solution

The fourth proportional to 76,640,902.40, 105,748,656.91 and 44,039,555.84 is: 60,765,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640,902.40 : 105,748,656.91 = 44,039,555.84 : x
  2. Step 2: Convert to fraction form
    76,640,902.40/105,748,656.91 = 44,039,555.84/x
  3. Step 3: Cross multiply
    76,640,902.40x = 105,748,656.91 × 44,039,555.84
  4. Step 4: Simplify right side
    76,640,902.40x = 4,657,123,880,992,947
  5. Step 5: Solve for x
    x = 4,657,123,880,992,947/76,640,902.40
  6. Step 6: Final answer
    x = 60,765,514.69

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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.