Home / 130,040,512.64-179,449,011.84-74,274,981.76

Finding the Fourth Proportional to 130,040,512.64, 179,449,011.84 and 74,274,981.76

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Solution

The fourth proportional to 130,040,512.64, 179,449,011.84 and 74,274,981.76 is: 102,495,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040,512.64 : 179,449,011.84 = 74,274,981.76 : x
  2. Step 2: Convert to fraction form
    130,040,512.64/179,449,011.84 = 74,274,981.76/x
  3. Step 3: Cross multiply
    130,040,512.64x = 179,449,011.84 × 74,274,981.76
  4. Step 4: Simplify right side
    130,040,512.64x = 13,328,572,081,266,026
  5. Step 5: Solve for x
    x = 13,328,572,081,266,026/130,040,512.64
  6. Step 6: Final answer
    x = 102,495,536.28

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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.