Home / 124,993,500.75-172,492,410.29-69,239,775.15

Finding the Fourth Proportional to 124,993,500.75, 172,492,410.29 and 69,239,775.15

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Solution

The fourth proportional to 124,993,500.75, 172,492,410.29 and 69,239,775.15 is: 95,551,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,993,500.75 : 172,492,410.29 = 69,239,775.15 : x
  2. Step 2: Convert to fraction form
    124,993,500.75/172,492,410.29 = 69,239,775.15/x
  3. Step 3: Cross multiply
    124,993,500.75x = 172,492,410.29 × 69,239,775.15
  4. Step 4: Simplify right side
    124,993,500.75x = 11,943,335,703,214,948
  5. Step 5: Solve for x
    x = 11,943,335,703,214,948/124,993,500.75
  6. Step 6: Final answer
    x = 95,551,653.74

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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.