Home / 147,109,475.37-203,011,075.22-85,265,686.11

Finding the Fourth Proportional to 147,109,475.37, 203,011,075.22 and 85,265,686.11

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Solution

The fourth proportional to 147,109,475.37, 203,011,075.22 and 85,265,686.11 is: 117,666,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,475.37 : 203,011,075.22 = 85,265,686.11 : x
  2. Step 2: Convert to fraction form
    147,109,475.37/203,011,075.22 = 85,265,686.11/x
  3. Step 3: Cross multiply
    147,109,475.37x = 203,011,075.22 × 85,265,686.11
  4. Step 4: Simplify right side
    147,109,475.37x = 17,309,878,616,135,790
  5. Step 5: Solve for x
    x = 17,309,878,616,135,790/147,109,475.37
  6. Step 6: Final answer
    x = 117,666,646.37

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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.