Home / 172,387,338.78-237,899,551.50-94,075,936.45

Finding the Fourth Proportional to 172,387,338.78, 237,899,551.50 and 94,075,936.45

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Solution

The fourth proportional to 172,387,338.78, 237,899,551.50 and 94,075,936.45 is: 129,827,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,387,338.78 : 237,899,551.50 = 94,075,936.45 : x
  2. Step 2: Convert to fraction form
    172,387,338.78/237,899,551.50 = 94,075,936.45/x
  3. Step 3: Cross multiply
    172,387,338.78x = 237,899,551.50 × 94,075,936.45
  4. Step 4: Simplify right side
    172,387,338.78x = 22,380,623,087,802,756
  5. Step 5: Solve for x
    x = 22,380,623,087,802,756/172,387,338.78
  6. Step 6: Final answer
    x = 129,827,534.00

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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.