Home / 157,211,465.58-216,942,969.33-86,646,861.97

Finding the Fourth Proportional to 157,211,465.58, 216,942,969.33 and 86,646,861.97

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Solution

The fourth proportional to 157,211,465.58, 216,942,969.33 and 86,646,861.97 is: 119,567,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,211,465.58 : 216,942,969.33 = 86,646,861.97 : x
  2. Step 2: Convert to fraction form
    157,211,465.58/216,942,969.33 = 86,646,861.97/x
  3. Step 3: Cross multiply
    157,211,465.58x = 216,942,969.33 × 86,646,861.97
  4. Step 4: Simplify right side
    157,211,465.58x = 18,797,427,518,356,096
  5. Step 5: Solve for x
    x = 18,797,427,518,356,096/157,211,465.58
  6. Step 6: Final answer
    x = 119,567,790.10

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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.