Home / 162,384,913.40-243,577,370.10-131,773,911.80

Finding the Fourth Proportional to 162,384,913.40, 243,577,370.10 and 131,773,911.80

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Solution

The fourth proportional to 162,384,913.40, 243,577,370.10 and 131,773,911.80 is: 197,660,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384,913.40 : 243,577,370.10 = 131,773,911.80 : x
  2. Step 2: Convert to fraction form
    162,384,913.40/243,577,370.10 = 131,773,911.80/x
  3. Step 3: Cross multiply
    162,384,913.40x = 243,577,370.10 × 131,773,911.80
  4. Step 4: Simplify right side
    162,384,913.40x = 32,097,142,884,033,356
  5. Step 5: Solve for x
    x = 32,097,142,884,033,356/162,384,913.40
  6. Step 6: Final answer
    x = 197,660,867.70

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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.