Home / 259,348,431.17-357,899,765.02-140,271,156.36

Finding the Fourth Proportional to 259,348,431.17, 357,899,765.02 and 140,271,156.36

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Solution

The fourth proportional to 259,348,431.17, 357,899,765.02 and 140,271,156.36 is: 193,573,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,348,431.17 : 357,899,765.02 = 140,271,156.36 : x
  2. Step 2: Convert to fraction form
    259,348,431.17/357,899,765.02 = 140,271,156.36/x
  3. Step 3: Cross multiply
    259,348,431.17x = 357,899,765.02 × 140,271,156.36
  4. Step 4: Simplify right side
    259,348,431.17x = 50,203,013,899,423,192
  5. Step 5: Solve for x
    x = 50,203,013,899,423,192/259,348,431.17
  6. Step 6: Final answer
    x = 193,573,617.06

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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.