Home / 147,109,510.53-203,011,123.82-85,265,721.36

Finding the Fourth Proportional to 147,109,510.53, 203,011,123.82 and 85,265,721.36

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Solution

The fourth proportional to 147,109,510.53, 203,011,123.82 and 85,265,721.36 is: 117,666,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,510.53 : 203,011,123.82 = 85,265,721.36 : x
  2. Step 2: Convert to fraction form
    147,109,510.53/203,011,123.82 = 85,265,721.36/x
  3. Step 3: Cross multiply
    147,109,510.53x = 203,011,123.82 × 85,265,721.36
  4. Step 4: Simplify right side
    147,109,510.53x = 17,309,889,916,190,250
  5. Step 5: Solve for x
    x = 17,309,889,916,190,250/147,109,510.53
  6. Step 6: Final answer
    x = 117,666,695.06

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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.