Home / 129,965,070.47-194,946,102.77-31,597,334.28

Finding the Fourth Proportional to 129,965,070.47, 194,946,102.77 and 31,597,334.28

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Solution

The fourth proportional to 129,965,070.47, 194,946,102.77 and 31,597,334.28 is: 47,395,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,070.47 : 194,946,102.77 = 31,597,334.28 : x
  2. Step 2: Convert to fraction form
    129,965,070.47/194,946,102.77 = 31,597,334.28/x
  3. Step 3: Cross multiply
    129,965,070.47x = 194,946,102.77 × 31,597,334.28
  4. Step 4: Simplify right side
    129,965,070.47x = 6,159,777,175,648,937
  5. Step 5: Solve for x
    x = 6,159,777,175,648,937/129,965,070.47
  6. Step 6: Final answer
    x = 47,395,636.02

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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.