Home / 289,635,400.80-434,453,101.20-167,191,394.40

Finding the Fourth Proportional to 289,635,400.80, 434,453,101.20 and 167,191,394.40

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Solution

The fourth proportional to 289,635,400.80, 434,453,101.20 and 167,191,394.40 is: 250,787,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,635,400.80 : 434,453,101.20 = 167,191,394.40 : x
  2. Step 2: Convert to fraction form
    289,635,400.80/434,453,101.20 = 167,191,394.40/x
  3. Step 3: Cross multiply
    289,635,400.80x = 434,453,101.20 × 167,191,394.40
  4. Step 4: Simplify right side
    289,635,400.80x = 72,636,819,791,032,320
  5. Step 5: Solve for x
    x = 72,636,819,791,032,320/289,635,400.80
  6. Step 6: Final answer
    x = 250,787,091.60

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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.