Home / 120,857,501.50-181,268,038.68-77,441,652.48

Finding the Fourth Proportional to 120,857,501.50, 181,268,038.68 and 77,441,652.48

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Solution

The fourth proportional to 120,857,501.50, 181,268,038.68 and 77,441,652.48 is: 116,150,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,857,501.50 : 181,268,038.68 = 77,441,652.48 : x
  2. Step 2: Convert to fraction form
    120,857,501.50/181,268,038.68 = 77,441,652.48/x
  3. Step 3: Cross multiply
    120,857,501.50x = 181,268,038.68 × 77,441,652.48
  4. Step 4: Simplify right side
    120,857,501.50x = 14,037,696,457,187,760
  5. Step 5: Solve for x
    x = 14,037,696,457,187,760/120,857,501.50
  6. Step 6: Final answer
    x = 116,150,808.04

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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.