Home / 253,119,743.19-349,318,808.25-141,603,931.56

Finding the Fourth Proportional to 253,119,743.19, 349,318,808.25 and 141,603,931.56

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Solution

The fourth proportional to 253,119,743.19, 349,318,808.25 and 141,603,931.56 is: 195,421,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,119,743.19 : 349,318,808.25 = 141,603,931.56 : x
  2. Step 2: Convert to fraction form
    253,119,743.19/349,318,808.25 = 141,603,931.56/x
  3. Step 3: Cross multiply
    253,119,743.19x = 349,318,808.25 × 141,603,931.56
  4. Step 4: Simplify right side
    253,119,743.19x = 49,464,916,616,053,768
  5. Step 5: Solve for x
    x = 49,464,916,616,053,768/253,119,743.19
  6. Step 6: Final answer
    x = 195,421,012.97

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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.