Home / 114,965,511.40-172,448,267.10-106,651,412.20

Finding the Fourth Proportional to 114,965,511.40, 172,448,267.10 and 106,651,412.20

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Solution

The fourth proportional to 114,965,511.40, 172,448,267.10 and 106,651,412.20 is: 159,977,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,965,511.40 : 172,448,267.10 = 106,651,412.20 : x
  2. Step 2: Convert to fraction form
    114,965,511.40/172,448,267.10 = 106,651,412.20/x
  3. Step 3: Cross multiply
    114,965,511.40x = 172,448,267.10 × 106,651,412.20
  4. Step 4: Simplify right side
    114,965,511.40x = 18,391,851,217,657,800
  5. Step 5: Solve for x
    x = 18,391,851,217,657,800/114,965,511.40
  6. Step 6: Final answer
    x = 159,977,118.30

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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.