Home / 132,768,879.12-183,223,309.68-73,237,005.72

Finding the Fourth Proportional to 132,768,879.12, 183,223,309.68 and 73,237,005.72

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Solution

The fourth proportional to 132,768,879.12, 183,223,309.68 and 73,237,005.72 is: 101,068,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,768,879.12 : 183,223,309.68 = 73,237,005.72 : x
  2. Step 2: Convert to fraction form
    132,768,879.12/183,223,309.68 = 73,237,005.72/x
  3. Step 3: Cross multiply
    132,768,879.12x = 183,223,309.68 × 73,237,005.72
  4. Step 4: Simplify right side
    132,768,879.12x = 13,418,726,579,071,492
  5. Step 5: Solve for x
    x = 13,418,726,579,071,492/132,768,879.12
  6. Step 6: Final answer
    x = 101,068,312.60

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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.