Home / 101,035,269.90-139,428,700.23-55,772,042.76

Finding the Fourth Proportional to 101,035,269.90, 139,428,700.23 and 55,772,042.76

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Solution

The fourth proportional to 101,035,269.90, 139,428,700.23 and 55,772,042.76 is: 76,965,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,035,269.90 : 139,428,700.23 = 55,772,042.76 : x
  2. Step 2: Convert to fraction form
    101,035,269.90/139,428,700.23 = 55,772,042.76/x
  3. Step 3: Cross multiply
    101,035,269.90x = 139,428,700.23 × 55,772,042.76
  4. Step 4: Simplify right side
    101,035,269.90x = 7,776,223,431,198,781
  5. Step 5: Solve for x
    x = 7,776,223,431,198,781/101,035,269.90
  6. Step 6: Final answer
    x = 76,965,434.34

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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.