Home / 371,331,709.49-557,016,065.45-141,318,620.93

Finding the Fourth Proportional to 371,331,709.49, 557,016,065.45 and 141,318,620.93

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Solution

The fourth proportional to 371,331,709.49, 557,016,065.45 and 141,318,620.93 is: 211,984,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,331,709.49 : 557,016,065.45 = 141,318,620.93 : x
  2. Step 2: Convert to fraction form
    371,331,709.49/557,016,065.45 = 141,318,620.93/x
  3. Step 3: Cross multiply
    371,331,709.49x = 557,016,065.45 × 141,318,620.93
  4. Step 4: Simplify right side
    371,331,709.49x = 78,716,742,201,756,960
  5. Step 5: Solve for x
    x = 78,716,742,201,756,960/371,331,709.49
  6. Step 6: Final answer
    x = 211,984,972.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.