Home / 432,435,862.73-648,764,289.53-125,727,975.60

Finding the Fourth Proportional to 432,435,862.73, 648,764,289.53 and 125,727,975.60

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Solution

The fourth proportional to 432,435,862.73, 648,764,289.53 and 125,727,975.60 is: 188,624,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,435,862.73 : 648,764,289.53 = 125,727,975.60 : x
  2. Step 2: Convert to fraction form
    432,435,862.73/648,764,289.53 = 125,727,975.60/x
  3. Step 3: Cross multiply
    432,435,862.73x = 648,764,289.53 × 125,727,975.60
  4. Step 4: Simplify right side
    432,435,862.73x = 81,567,820,763,550,528
  5. Step 5: Solve for x
    x = 81,567,820,763,550,528/432,435,862.73
  6. Step 6: Final answer
    x = 188,624,089.25

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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.