Home / 191,520,315.60-287,280,473.40-131,054,139.60

Finding the Fourth Proportional to 191,520,315.60, 287,280,473.40 and 131,054,139.60

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Solution

The fourth proportional to 191,520,315.60, 287,280,473.40 and 131,054,139.60 is: 196,581,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,315.60 : 287,280,473.40 = 131,054,139.60 : x
  2. Step 2: Convert to fraction form
    191,520,315.60/287,280,473.40 = 131,054,139.60/x
  3. Step 3: Cross multiply
    191,520,315.60x = 287,280,473.40 × 131,054,139.60
  4. Step 4: Simplify right side
    191,520,315.60x = 37,649,295,265,317,680
  5. Step 5: Solve for x
    x = 37,649,295,265,317,680/191,520,315.60
  6. Step 6: Final answer
    x = 196,581,209.40

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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.