Home / 209,953,761.30-314,930,641.95-181,232,327.70

Finding the Fourth Proportional to 209,953,761.30, 314,930,641.95 and 181,232,327.70

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Solution

The fourth proportional to 209,953,761.30, 314,930,641.95 and 181,232,327.70 is: 271,848,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,761.30 : 314,930,641.95 = 181,232,327.70 : x
  2. Step 2: Convert to fraction form
    209,953,761.30/314,930,641.95 = 181,232,327.70/x
  3. Step 3: Cross multiply
    209,953,761.30x = 314,930,641.95 × 181,232,327.70
  4. Step 4: Simplify right side
    209,953,761.30x = 57,075,613,304,653,760
  5. Step 5: Solve for x
    x = 57,075,613,304,653,760/209,953,761.30
  6. Step 6: Final answer
    x = 271,848,491.55

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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.