Home / 260,920,126.48-360,040,518.12-156,502,443.28

Finding the Fourth Proportional to 260,920,126.48, 360,040,518.12 and 156,502,443.28

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Solution

The fourth proportional to 260,920,126.48, 360,040,518.12 and 156,502,443.28 is: 215,955,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,920,126.48 : 360,040,518.12 = 156,502,443.28 : x
  2. Step 2: Convert to fraction form
    260,920,126.48/360,040,518.12 = 156,502,443.28/x
  3. Step 3: Cross multiply
    260,920,126.48x = 360,040,518.12 × 156,502,443.28
  4. Step 4: Simplify right side
    260,920,126.48x = 56,347,220,765,577,112
  5. Step 5: Solve for x
    x = 56,347,220,765,577,112/260,920,126.48
  6. Step 6: Final answer
    x = 215,955,823.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.