Home / 72,311,274.45-108,423,203.13-29,130,044.76

Finding the Fourth Proportional to 72,311,274.45, 108,423,203.13 and 29,130,044.76

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Solution

The fourth proportional to 72,311,274.45, 108,423,203.13 and 29,130,044.76 is: 43,677,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311,274.45 : 108,423,203.13 = 29,130,044.76 : x
  2. Step 2: Convert to fraction form
    72,311,274.45/108,423,203.13 = 29,130,044.76/x
  3. Step 3: Cross multiply
    72,311,274.45x = 108,423,203.13 × 29,130,044.76
  4. Step 4: Simplify right side
    72,311,274.45x = 3,158,372,760,199,472
  5. Step 5: Solve for x
    x = 3,158,372,760,199,472/72,311,274.45
  6. Step 6: Final answer
    x = 43,677,459.49

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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.