Home / 149,743,709.20-224,615,563.80-142,185,437.20

Finding the Fourth Proportional to 149,743,709.20, 224,615,563.80 and 142,185,437.20

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Solution

The fourth proportional to 149,743,709.20, 224,615,563.80 and 142,185,437.20 is: 213,278,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,743,709.20 : 224,615,563.80 = 142,185,437.20 : x
  2. Step 2: Convert to fraction form
    149,743,709.20/224,615,563.80 = 142,185,437.20/x
  3. Step 3: Cross multiply
    149,743,709.20x = 224,615,563.80 × 142,185,437.20
  4. Step 4: Simplify right side
    149,743,709.20x = 31,937,062,140,827,492
  5. Step 5: Solve for x
    x = 31,937,062,140,827,492/149,743,709.20
  6. Step 6: Final answer
    x = 213,278,155.80

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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.