Home / 147,655,948.80-203,759,042.40-84,927,277.44

Finding the Fourth Proportional to 147,655,948.80, 203,759,042.40 and 84,927,277.44

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Solution

The fourth proportional to 147,655,948.80, 203,759,042.40 and 84,927,277.44 is: 117,196,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655,948.80 : 203,759,042.40 = 84,927,277.44 : x
  2. Step 2: Convert to fraction form
    147,655,948.80/203,759,042.40 = 84,927,277.44/x
  3. Step 3: Cross multiply
    147,655,948.80x = 203,759,042.40 × 84,927,277.44
  4. Step 4: Simplify right side
    147,655,948.80x = 17,304,700,724,813,524
  5. Step 5: Solve for x
    x = 17,304,700,724,813,524/147,655,948.80
  6. Step 6: Final answer
    x = 117,196,095.83

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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.