Home / 147,644,032.78-203,754,592.39-84,920,030.11

Finding the Fourth Proportional to 147,644,032.78, 203,754,592.39 and 84,920,030.11

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Solution

The fourth proportional to 147,644,032.78, 203,754,592.39 and 84,920,030.11 is: 117,192,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644,032.78 : 203,754,592.39 = 84,920,030.11 : x
  2. Step 2: Convert to fraction form
    147,644,032.78/203,754,592.39 = 84,920,030.11/x
  3. Step 3: Cross multiply
    147,644,032.78x = 203,754,592.39 × 84,920,030.11
  4. Step 4: Simplify right side
    147,644,032.78x = 17,302,846,119,790,804
  5. Step 5: Solve for x
    x = 17,302,846,119,790,804/147,644,032.78
  6. Step 6: Final answer
    x = 117,192,993.14

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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.