Home / 354,814,987.20-531,824,349.60-201,534,475.20

Finding the Fourth Proportional to 354,814,987.20, 531,824,349.60 and 201,534,475.20

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Solution

The fourth proportional to 354,814,987.20, 531,824,349.60 and 201,534,475.20 is: 302,075,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,814,987.20 : 531,824,349.60 = 201,534,475.20 : x
  2. Step 2: Convert to fraction form
    354,814,987.20/531,824,349.60 = 201,534,475.20/x
  3. Step 3: Cross multiply
    354,814,987.20x = 531,824,349.60 × 201,534,475.20
  4. Step 4: Simplify right side
    354,814,987.20x = 107,180,941,195,217,328
  5. Step 5: Solve for x
    x = 107,180,941,195,217,328/354,814,987.20
  6. Step 6: Final answer
    x = 302,075,574.77

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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.