Home / 177,082,801.20-265,624,201.80-90,989,359.20

Finding the Fourth Proportional to 177,082,801.20, 265,624,201.80 and 90,989,359.20

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Solution

The fourth proportional to 177,082,801.20, 265,624,201.80 and 90,989,359.20 is: 136,484,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,082,801.20 : 265,624,201.80 = 90,989,359.20 : x
  2. Step 2: Convert to fraction form
    177,082,801.20/265,624,201.80 = 90,989,359.20/x
  3. Step 3: Cross multiply
    177,082,801.20x = 265,624,201.80 × 90,989,359.20
  4. Step 4: Simplify right side
    177,082,801.20x = 24,168,975,909,793,488
  5. Step 5: Solve for x
    x = 24,168,975,909,793,488/177,082,801.20
  6. Step 6: Final answer
    x = 136,484,038.80

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1.5x scale

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.