Home / 132,029,579.20-198,043,384.64-39,913,139.20

Finding the Fourth Proportional to 132,029,579.20, 198,043,384.64 and 39,913,139.20

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Solution

The fourth proportional to 132,029,579.20, 198,043,384.64 and 39,913,139.20 is: 59,869,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029,579.20 : 198,043,384.64 = 39,913,139.20 : x
  2. Step 2: Convert to fraction form
    132,029,579.20/198,043,384.64 = 39,913,139.20/x
  3. Step 3: Cross multiply
    132,029,579.20x = 198,043,384.64 × 39,913,139.20
  4. Step 4: Simplify right side
    132,029,579.20x = 7,904,533,178,775,462
  5. Step 5: Solve for x
    x = 7,904,533,178,775,462/132,029,579.20
  6. Step 6: Final answer
    x = 59,869,411.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.