Home / 160,496,434.90-240,585,220.05-74,084,128.30

Finding the Fourth Proportional to 160,496,434.90, 240,585,220.05 and 74,084,128.30

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Solution

The fourth proportional to 160,496,434.90, 240,585,220.05 and 74,084,128.30 is: 111,052,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,496,434.90 : 240,585,220.05 = 74,084,128.30 : x
  2. Step 2: Convert to fraction form
    160,496,434.90/240,585,220.05 = 74,084,128.30/x
  3. Step 3: Cross multiply
    160,496,434.90x = 240,585,220.05 × 74,084,128.30
  4. Step 4: Simplify right side
    160,496,434.90x = 17,823,546,309,267,932
  5. Step 5: Solve for x
    x = 17,823,546,309,267,932/160,496,434.90
  6. Step 6: Final answer
    x = 111,052,599.52

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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.