Home / 131,835,276-181,934,867.88-73,100,416.68

Finding the Fourth Proportional to 131,835,276, 181,934,867.88 and 73,100,416.68

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Solution

The fourth proportional to 131,835,276, 181,934,867.88 and 73,100,416.68 is: 100,879,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,835,276 : 181,934,867.88 = 73,100,416.68 : x
  2. Step 2: Convert to fraction form
    131,835,276/181,934,867.88 = 73,100,416.68/x
  3. Step 3: Cross multiply
    131,835,276x = 181,934,867.88 × 73,100,416.68
  4. Step 4: Simplify right side
    131,835,276x = 13,299,514,650,648,750
  5. Step 5: Solve for x
    x = 13,299,514,650,648,750/131,835,276
  6. Step 6: Final answer
    x = 100,879,787.67

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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.