Home / 77,330,203.92-106,718,420.76-42,525,542.64

Finding the Fourth Proportional to 77,330,203.92, 106,718,420.76 and 42,525,542.64

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Solution

The fourth proportional to 77,330,203.92, 106,718,420.76 and 42,525,542.64 is: 58,686,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330,203.92 : 106,718,420.76 = 42,525,542.64 : x
  2. Step 2: Convert to fraction form
    77,330,203.92/106,718,420.76 = 42,525,542.64/x
  3. Step 3: Cross multiply
    77,330,203.92x = 106,718,420.76 × 42,525,542.64
  4. Step 4: Simplify right side
    77,330,203.92x = 4,538,258,752,502,841
  5. Step 5: Solve for x
    x = 4,538,258,752,502,841/77,330,203.92
  6. Step 6: Final answer
    x = 58,686,755.27

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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.