Home / 101,071,569.76-139,478,859.43-54,661,823.73

Finding the Fourth Proportional to 101,071,569.76, 139,478,859.43 and 54,661,823.73

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Solution

The fourth proportional to 101,071,569.76, 139,478,859.43 and 54,661,823.73 is: 75,433,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,071,569.76 : 139,478,859.43 = 54,661,823.73 : x
  2. Step 2: Convert to fraction form
    101,071,569.76/139,478,859.43 = 54,661,823.73/x
  3. Step 3: Cross multiply
    101,071,569.76x = 139,478,859.43 × 54,661,823.73
  4. Step 4: Simplify right side
    101,071,569.76x = 7,624,168,828,087,454
  5. Step 5: Solve for x
    x = 7,624,168,828,087,454/101,071,569.76
  6. Step 6: Final answer
    x = 75,433,367.13

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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.