Home / 77,385,533.49-116,151,026.30-40,523,881.39

Finding the Fourth Proportional to 77,385,533.49, 116,151,026.30 and 40,523,881.39

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Solution

The fourth proportional to 77,385,533.49, 116,151,026.30 and 40,523,881.39 is: 60,823,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,385,533.49 : 116,151,026.30 = 40,523,881.39 : x
  2. Step 2: Convert to fraction form
    77,385,533.49/116,151,026.30 = 40,523,881.39/x
  3. Step 3: Cross multiply
    77,385,533.49x = 116,151,026.30 × 40,523,881.39
  4. Step 4: Simplify right side
    77,385,533.49x = 4,706,890,413,107,971
  5. Step 5: Solve for x
    x = 4,706,890,413,107,971/77,385,533.49
  6. Step 6: Final answer
    x = 60,823,905.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.