Home / 77,392,461.54-106,798,394.70-42,110,411.81

Finding the Fourth Proportional to 77,392,461.54, 106,798,394.70 and 42,110,411.81

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Solution

The fourth proportional to 77,392,461.54, 106,798,394.70 and 42,110,411.81 is: 58,110,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,461.54 : 106,798,394.70 = 42,110,411.81 : x
  2. Step 2: Convert to fraction form
    77,392,461.54/106,798,394.70 = 42,110,411.81/x
  3. Step 3: Cross multiply
    77,392,461.54x = 106,798,394.70 × 42,110,411.81
  4. Step 4: Simplify right side
    77,392,461.54x = 4,497,324,381,087,843.50
  5. Step 5: Solve for x
    x = 4,497,324,381,087,843.50/77,392,461.54
  6. Step 6: Final answer
    x = 58,110,625.91

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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.