Home / 99,139,831.40-136,806,969.85-55,085,323.88

Finding the Fourth Proportional to 99,139,831.40, 136,806,969.85 and 55,085,323.88

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Solution

The fourth proportional to 99,139,831.40, 136,806,969.85 and 55,085,323.88 is: 76,014,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,139,831.40 : 136,806,969.85 = 55,085,323.88 : x
  2. Step 2: Convert to fraction form
    99,139,831.40/136,806,969.85 = 55,085,323.88/x
  3. Step 3: Cross multiply
    99,139,831.40x = 136,806,969.85 × 55,085,323.88
  4. Step 4: Simplify right side
    99,139,831.40x = 7,536,056,243,466,244
  5. Step 5: Solve for x
    x = 7,536,056,243,466,244/99,139,831.40
  6. Step 6: Final answer
    x = 76,014,414.56

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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.