Home / 76,640,905.90-105,748,661.74-44,039,559.34

Finding the Fourth Proportional to 76,640,905.90, 105,748,661.74 and 44,039,559.34

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Solution

The fourth proportional to 76,640,905.90, 105,748,661.74 and 44,039,559.34 is: 60,765,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640,905.90 : 105,748,661.74 = 44,039,559.34 : x
  2. Step 2: Convert to fraction form
    76,640,905.90/105,748,661.74 = 44,039,559.34/x
  3. Step 3: Cross multiply
    76,640,905.90x = 105,748,661.74 × 44,039,559.34
  4. Step 4: Simplify right side
    76,640,905.90x = 4,657,124,463,824,318
  5. Step 5: Solve for x
    x = 4,657,124,463,824,318/76,640,905.90
  6. Step 6: Final answer
    x = 60,765,519.52

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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.