Home / 160,381,499.94-221,326,560.55-87,042,641.94

Finding the Fourth Proportional to 160,381,499.94, 221,326,560.55 and 87,042,641.94

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Solution

The fourth proportional to 160,381,499.94, 221,326,560.55 and 87,042,641.94 is: 120,118,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,381,499.94 : 221,326,560.55 = 87,042,641.94 : x
  2. Step 2: Convert to fraction form
    160,381,499.94/221,326,560.55 = 87,042,641.94/x
  3. Step 3: Cross multiply
    160,381,499.94x = 221,326,560.55 × 87,042,641.94
  4. Step 4: Simplify right side
    160,381,499.94x = 19,264,848,561,765,380
  5. Step 5: Solve for x
    x = 19,264,848,561,765,380/160,381,499.94
  6. Step 6: Final answer
    x = 120,118,895.07

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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.