Home / 289,163,071.60-434,080,530.60-174,277,337.20

Finding the Fourth Proportional to 289,163,071.60, 434,080,530.60 and 174,277,337.20

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Solution

The fourth proportional to 289,163,071.60, 434,080,530.60 and 174,277,337.20 is: 261,618,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,163,071.60 : 434,080,530.60 = 174,277,337.20 : x
  2. Step 2: Convert to fraction form
    289,163,071.60/434,080,530.60 = 174,277,337.20/x
  3. Step 3: Cross multiply
    289,163,071.60x = 434,080,530.60 × 174,277,337.20
  4. Step 4: Simplify right side
    289,163,071.60x = 75,650,399,003,331,120
  5. Step 5: Solve for x
    x = 75,650,399,003,331,120/289,163,071.60
  6. Step 6: Final answer
    x = 261,618,465.27

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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.