Home / 191,340,451.80-287,010,677.70-130,118,448.60

Finding the Fourth Proportional to 191,340,451.80, 287,010,677.70 and 130,118,448.60

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Solution

The fourth proportional to 191,340,451.80, 287,010,677.70 and 130,118,448.60 is: 195,177,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,340,451.80 : 287,010,677.70 = 130,118,448.60 : x
  2. Step 2: Convert to fraction form
    191,340,451.80/287,010,677.70 = 130,118,448.60/x
  3. Step 3: Cross multiply
    191,340,451.80x = 287,010,677.70 × 130,118,448.60
  4. Step 4: Simplify right side
    191,340,451.80x = 37,345,384,113,958,616
  5. Step 5: Solve for x
    x = 37,345,384,113,958,616/191,340,451.80
  6. Step 6: Final answer
    x = 195,177,672.90

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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.