Home / 103,350,420.68-155,020,477.71-38,649,469.10

Finding the Fourth Proportional to 103,350,420.68, 155,020,477.71 and 38,649,469.10

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Solution

The fourth proportional to 103,350,420.68, 155,020,477.71 and 38,649,469.10 is: 57,972,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,350,420.68 : 155,020,477.71 = 38,649,469.10 : x
  2. Step 2: Convert to fraction form
    103,350,420.68/155,020,477.71 = 38,649,469.10/x
  3. Step 3: Cross multiply
    103,350,420.68x = 155,020,477.71 × 38,649,469.10
  4. Step 4: Simplify right side
    103,350,420.68x = 5,991,459,163,119,884
  5. Step 5: Solve for x
    x = 5,991,459,163,119,884/103,350,420.68
  6. Step 6: Final answer
    x = 57,972,276.49

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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.