Home / 68,143,503.52-94,023,663.60-43,354,738.72

Finding the Fourth Proportional to 68,143,503.52, 94,023,663.60 and 43,354,738.72

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Solution

The fourth proportional to 68,143,503.52, 94,023,663.60 and 43,354,738.72 is: 59,820,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,143,503.52 : 94,023,663.60 = 43,354,738.72 : x
  2. Step 2: Convert to fraction form
    68,143,503.52/94,023,663.60 = 43,354,738.72/x
  3. Step 3: Cross multiply
    68,143,503.52x = 94,023,663.60 × 43,354,738.72
  4. Step 4: Simplify right side
    68,143,503.52x = 4,076,371,368,875,174
  5. Step 5: Solve for x
    x = 4,076,371,368,875,174/68,143,503.52
  6. Step 6: Final answer
    x = 59,820,396.05

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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.