Home / 525,155,615.20-787,767,032.40-202,039,487.20

Finding the Fourth Proportional to 525,155,615.20, 787,767,032.40 and 202,039,487.20

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Solution

The fourth proportional to 525,155,615.20, 787,767,032.40 and 202,039,487.20 is: 303,072,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,155,615.20 : 787,767,032.40 = 202,039,487.20 : x
  2. Step 2: Convert to fraction form
    525,155,615.20/787,767,032.40 = 202,039,487.20/x
  3. Step 3: Cross multiply
    525,155,615.20x = 787,767,032.40 × 202,039,487.20
  4. Step 4: Simplify right side
    525,155,615.20x = 159,160,047,259,161,760
  5. Step 5: Solve for x
    x = 159,160,047,259,161,760/525,155,615.20
  6. Step 6: Final answer
    x = 303,072,161.19

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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.