Home / 154,072,607.45-212,901,730.99-112,183,701.34

Finding the Fourth Proportional to 154,072,607.45, 212,901,730.99 and 112,183,701.34

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Solution

The fourth proportional to 154,072,607.45, 212,901,730.99 and 112,183,701.34 is: 155,018,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,072,607.45 : 212,901,730.99 = 112,183,701.34 : x
  2. Step 2: Convert to fraction form
    154,072,607.45/212,901,730.99 = 112,183,701.34/x
  3. Step 3: Cross multiply
    154,072,607.45x = 212,901,730.99 × 112,183,701.34
  4. Step 4: Simplify right side
    154,072,607.45x = 23,884,104,203,086,672
  5. Step 5: Solve for x
    x = 23,884,104,203,086,672/154,072,607.45
  6. Step 6: Final answer
    x = 155,018,498.09

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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.