Home / 77,421,649.05-116,132,778.27-31,364,388.63

Finding the Fourth Proportional to 77,421,649.05, 116,132,778.27 and 31,364,388.63

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Solution

The fourth proportional to 77,421,649.05, 116,132,778.27 and 31,364,388.63 is: 47,046,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,421,649.05 : 116,132,778.27 = 31,364,388.63 : x
  2. Step 2: Convert to fraction form
    77,421,649.05/116,132,778.27 = 31,364,388.63/x
  3. Step 3: Cross multiply
    77,421,649.05x = 116,132,778.27 × 31,364,388.63
  4. Step 4: Simplify right side
    77,421,649.05x = 3,642,433,590,341,899
  5. Step 5: Solve for x
    x = 3,642,433,590,341,899/77,421,649.05
  6. Step 6: Final answer
    x = 47,046,706.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.