Home / 315,660,687.48-435,594,177.36-174,523,748.22

Finding the Fourth Proportional to 315,660,687.48, 435,594,177.36 and 174,523,748.22

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Solution

The fourth proportional to 315,660,687.48, 435,594,177.36 and 174,523,748.22 is: 240,833,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,660,687.48 : 435,594,177.36 = 174,523,748.22 : x
  2. Step 2: Convert to fraction form
    315,660,687.48/435,594,177.36 = 174,523,748.22/x
  3. Step 3: Cross multiply
    315,660,687.48x = 435,594,177.36 × 174,523,748.22
  4. Step 4: Simplify right side
    315,660,687.48x = 76,021,528,535,674,672
  5. Step 5: Solve for x
    x = 76,021,528,535,674,672/315,660,687.48
  6. Step 6: Final answer
    x = 240,833,057.62

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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.