Home / 160,519,999.59-221,518,733.27-87,181,141.59

Finding the Fourth Proportional to 160,519,999.59, 221,518,733.27 and 87,181,141.59

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Solution

The fourth proportional to 160,519,999.59, 221,518,733.27 and 87,181,141.59 is: 120,310,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,519,999.59 : 221,518,733.27 = 87,181,141.59 : x
  2. Step 2: Convert to fraction form
    160,519,999.59/221,518,733.27 = 87,181,141.59/x
  3. Step 3: Cross multiply
    160,519,999.59x = 221,518,733.27 × 87,181,141.59
  4. Step 4: Simplify right side
    160,519,999.59x = 19,312,256,049,613,408
  5. Step 5: Solve for x
    x = 19,312,256,049,613,408/160,519,999.59
  6. Step 6: Final answer
    x = 120,310,591.20

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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.