Home / 133,302,190.32-183,882,968.10-77,541,333.48

Finding the Fourth Proportional to 133,302,190.32, 183,882,968.10 and 77,541,333.48

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Solution

The fourth proportional to 133,302,190.32, 183,882,968.10 and 77,541,333.48 is: 106,963,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,302,190.32 : 183,882,968.10 = 77,541,333.48 : x
  2. Step 2: Convert to fraction form
    133,302,190.32/183,882,968.10 = 77,541,333.48/x
  3. Step 3: Cross multiply
    133,302,190.32x = 183,882,968.10 × 77,541,333.48
  4. Step 4: Simplify right side
    133,302,190.32x = 14,258,530,550,734,302
  5. Step 5: Solve for x
    x = 14,258,530,550,734,302/133,302,190.32
  6. Step 6: Final answer
    x = 106,963,962.98

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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.