Home / 154,573,730.64-213,312,213.72-84,966,244.56

Finding the Fourth Proportional to 154,573,730.64, 213,312,213.72 and 84,966,244.56

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Solution

The fourth proportional to 154,573,730.64, 213,312,213.72 and 84,966,244.56 is: 117,253,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,573,730.64 : 213,312,213.72 = 84,966,244.56 : x
  2. Step 2: Convert to fraction form
    154,573,730.64/213,312,213.72 = 84,966,244.56/x
  3. Step 3: Cross multiply
    154,573,730.64x = 213,312,213.72 × 84,966,244.56
  4. Step 4: Simplify right side
    154,573,730.64x = 18,124,337,718,568,508
  5. Step 5: Solve for x
    x = 18,124,337,718,568,508/154,573,730.64
  6. Step 6: Final answer
    x = 117,253,673.33

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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.