Home / 117,385,274.36-161,996,737.98-65,174,312.60

Finding the Fourth Proportional to 117,385,274.36, 161,996,737.98 and 65,174,312.60

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Solution

The fourth proportional to 117,385,274.36, 161,996,737.98 and 65,174,312.60 is: 89,943,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,385,274.36 : 161,996,737.98 = 65,174,312.60 : x
  2. Step 2: Convert to fraction form
    117,385,274.36/161,996,737.98 = 65,174,312.60/x
  3. Step 3: Cross multiply
    117,385,274.36x = 161,996,737.98 × 65,174,312.60
  4. Step 4: Simplify right side
    117,385,274.36x = 10,558,026,041,288,812
  5. Step 5: Solve for x
    x = 10,558,026,041,288,812/117,385,274.36
  6. Step 6: Final answer
    x = 89,943,360.43

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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.