Home / 173,765,128.70-260,742,171.45-71,539,499.90

Finding the Fourth Proportional to 173,765,128.70, 260,742,171.45 and 71,539,499.90

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Solution

The fourth proportional to 173,765,128.70, 260,742,171.45 and 71,539,499.90 is: 107,348,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,765,128.70 : 260,742,171.45 = 71,539,499.90 : x
  2. Step 2: Convert to fraction form
    173,765,128.70/260,742,171.45 = 71,539,499.90/x
  3. Step 3: Cross multiply
    173,765,128.70x = 260,742,171.45 × 71,539,499.90
  4. Step 4: Simplify right side
    173,765,128.70x = 18,653,364,548,373,060
  5. Step 5: Solve for x
    x = 18,653,364,548,373,060/173,765,128.70
  6. Step 6: Final answer
    x = 107,348,146.82

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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.