Home / 114,512,931.40-171,657,422.70-102,419,696.20

Finding the Fourth Proportional to 114,512,931.40, 171,657,422.70 and 102,419,696.20

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Solution

The fourth proportional to 114,512,931.40, 171,657,422.70 and 102,419,696.20 is: 153,529,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,512,931.40 : 171,657,422.70 = 102,419,696.20 : x
  2. Step 2: Convert to fraction form
    114,512,931.40/171,657,422.70 = 102,419,696.20/x
  3. Step 3: Cross multiply
    114,512,931.40x = 171,657,422.70 × 102,419,696.20
  4. Step 4: Simplify right side
    114,512,931.40x = 17,581,101,083,408,984
  5. Step 5: Solve for x
    x = 17,581,101,083,408,984/114,512,931.40
  6. Step 6: Final answer
    x = 153,529,395.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.