Home / 161,680,835.34-223,119,749.88-87,341,392.17

Finding the Fourth Proportional to 161,680,835.34, 223,119,749.88 and 87,341,392.17

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Solution

The fourth proportional to 161,680,835.34, 223,119,749.88 and 87,341,392.17 is: 120,531,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,680,835.34 : 223,119,749.88 = 87,341,392.17 : x
  2. Step 2: Convert to fraction form
    161,680,835.34/223,119,749.88 = 87,341,392.17/x
  3. Step 3: Cross multiply
    161,680,835.34x = 223,119,749.88 × 87,341,392.17
  4. Step 4: Simplify right side
    161,680,835.34x = 19,487,589,575,141,392
  5. Step 5: Solve for x
    x = 19,487,589,575,141,392/161,680,835.34
  6. Step 6: Final answer
    x = 120,531,227.68

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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.