Home / 111,615,385.76-154,037,859-66,963,029.84

Finding the Fourth Proportional to 111,615,385.76, 154,037,859 and 66,963,029.84

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Solution

The fourth proportional to 111,615,385.76, 154,037,859 and 66,963,029.84 is: 92,414,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,615,385.76 : 154,037,859 = 66,963,029.84 : x
  2. Step 2: Convert to fraction form
    111,615,385.76/154,037,859 = 66,963,029.84/x
  3. Step 3: Cross multiply
    111,615,385.76x = 154,037,859 × 66,963,029.84
  4. Step 4: Simplify right side
    111,615,385.76x = 10,314,841,748,706,714
  5. Step 5: Solve for x
    x = 10,314,841,748,706,714/111,615,385.76
  6. Step 6: Final answer
    x = 92,414,156.69

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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.