Home / 151,018,916.13-208,288,025.24-98,112,674.25

Finding the Fourth Proportional to 151,018,916.13, 208,288,025.24 and 98,112,674.25

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Solution

The fourth proportional to 151,018,916.13, 208,288,025.24 and 98,112,674.25 is: 135,318,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,018,916.13 : 208,288,025.24 = 98,112,674.25 : x
  2. Step 2: Convert to fraction form
    151,018,916.13/208,288,025.24 = 98,112,674.25/x
  3. Step 3: Cross multiply
    151,018,916.13x = 208,288,025.24 × 98,112,674.25
  4. Step 4: Simplify right side
    151,018,916.13x = 20,435,695,170,057,336
  5. Step 5: Solve for x
    x = 20,435,695,170,057,336/151,018,916.13
  6. Step 6: Final answer
    x = 135,318,777.90

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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.