Home / 125,291,571.84-172,903,549.05-70,288,609.32

Finding the Fourth Proportional to 125,291,571.84, 172,903,549.05 and 70,288,609.32

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Solution

The fourth proportional to 125,291,571.84, 172,903,549.05 and 70,288,609.32 is: 96,998,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,291,571.84 : 172,903,549.05 = 70,288,609.32 : x
  2. Step 2: Convert to fraction form
    125,291,571.84/172,903,549.05 = 70,288,609.32/x
  3. Step 3: Cross multiply
    125,291,571.84x = 172,903,549.05 × 70,288,609.32
  4. Step 4: Simplify right side
    125,291,571.84x = 12,153,150,009,216,906
  5. Step 5: Solve for x
    x = 12,153,150,009,216,906/125,291,571.84
  6. Step 6: Final answer
    x = 96,998,942.79

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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.