Home / 160,381,500.44-221,326,561.24-87,042,642.44

Finding the Fourth Proportional to 160,381,500.44, 221,326,561.24 and 87,042,642.44

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Solution

The fourth proportional to 160,381,500.44, 221,326,561.24 and 87,042,642.44 is: 120,118,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,381,500.44 : 221,326,561.24 = 87,042,642.44 : x
  2. Step 2: Convert to fraction form
    160,381,500.44/221,326,561.24 = 87,042,642.44/x
  3. Step 3: Cross multiply
    160,381,500.44x = 221,326,561.24 × 87,042,642.44
  4. Step 4: Simplify right side
    160,381,500.44x = 19,264,848,732,488,084
  5. Step 5: Solve for x
    x = 19,264,848,732,488,084/160,381,500.44
  6. Step 6: Final answer
    x = 120,118,895.76

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1.5x scale

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.