Home / 128,227,595.15-176,954,232.62-69,490,259.93

Finding the Fourth Proportional to 128,227,595.15, 176,954,232.62 and 69,490,259.93

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Solution

The fourth proportional to 128,227,595.15, 176,954,232.62 and 69,490,259.93 is: 95,896,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,227,595.15 : 176,954,232.62 = 69,490,259.93 : x
  2. Step 2: Convert to fraction form
    128,227,595.15/176,954,232.62 = 69,490,259.93/x
  3. Step 3: Cross multiply
    128,227,595.15x = 176,954,232.62 × 69,490,259.93
  4. Step 4: Simplify right side
    128,227,595.15x = 12,296,595,621,093,598
  5. Step 5: Solve for x
    x = 12,296,595,621,093,598/128,227,595.15
  6. Step 6: Final answer
    x = 95,896,640.71

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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.