Home / 289,495,217.70-434,242,826.55-74,084,465.70

Finding the Fourth Proportional to 289,495,217.70, 434,242,826.55 and 74,084,465.70

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Solution

The fourth proportional to 289,495,217.70, 434,242,826.55 and 74,084,465.70 is: 111,126,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,495,217.70 : 434,242,826.55 = 74,084,465.70 : x
  2. Step 2: Convert to fraction form
    289,495,217.70/434,242,826.55 = 74,084,465.70/x
  3. Step 3: Cross multiply
    289,495,217.70x = 434,242,826.55 × 74,084,465.70
  4. Step 4: Simplify right side
    289,495,217.70x = 32,170,647,789,014,528
  5. Step 5: Solve for x
    x = 32,170,647,789,014,528/289,495,217.70
  6. Step 6: Final answer
    x = 111,126,698.55

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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.