Home / 191,690,031.60-287,242,460.52-113,813,581.08

Finding the Fourth Proportional to 191,690,031.60, 287,242,460.52 and 113,813,581.08

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Solution

The fourth proportional to 191,690,031.60, 287,242,460.52 and 113,813,581.08 is: 170,546,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,690,031.60 : 287,242,460.52 = 113,813,581.08 : x
  2. Step 2: Convert to fraction form
    191,690,031.60/287,242,460.52 = 113,813,581.08/x
  3. Step 3: Cross multiply
    191,690,031.60x = 287,242,460.52 × 113,813,581.08
  4. Step 4: Simplify right side
    191,690,031.60x = 32,692,093,070,011,716
  5. Step 5: Solve for x
    x = 32,692,093,070,011,716/191,690,031.60
  6. Step 6: Final answer
    x = 170,546,651.79

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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.