Home / 77,307,031.43-106,685,911.41-47,133,269.80

Finding the Fourth Proportional to 77,307,031.43, 106,685,911.41 and 47,133,269.80

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Solution

The fourth proportional to 77,307,031.43, 106,685,911.41 and 47,133,269.80 is: 65,045,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,307,031.43 : 106,685,911.41 = 47,133,269.80 : x
  2. Step 2: Convert to fraction form
    77,307,031.43/106,685,911.41 = 47,133,269.80/x
  3. Step 3: Cross multiply
    77,307,031.43x = 106,685,911.41 × 47,133,269.80
  4. Step 4: Simplify right side
    77,307,031.43x = 5,028,455,846,346,428
  5. Step 5: Solve for x
    x = 5,028,455,846,346,428/77,307,031.43
  6. Step 6: Final answer
    x = 65,045,258.54

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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.