Home / 145,375,400.70-218,063,101.05-99,458,898.30

Finding the Fourth Proportional to 145,375,400.70, 218,063,101.05 and 99,458,898.30

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Solution

The fourth proportional to 145,375,400.70, 218,063,101.05 and 99,458,898.30 is: 149,188,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,375,400.70 : 218,063,101.05 = 99,458,898.30 : x
  2. Step 2: Convert to fraction form
    145,375,400.70/218,063,101.05 = 99,458,898.30/x
  3. Step 3: Cross multiply
    145,375,400.70x = 218,063,101.05 × 99,458,898.30
  4. Step 4: Simplify right side
    145,375,400.70x = 21,688,315,790,314,572
  5. Step 5: Solve for x
    x = 21,688,315,790,314,572/145,375,400.70
  6. Step 6: Final answer
    x = 149,188,347.45

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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.