Home / 191,715,019.20-287,572,528.80-161,104,017.60

Finding the Fourth Proportional to 191,715,019.20, 287,572,528.80 and 161,104,017.60

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Solution

The fourth proportional to 191,715,019.20, 287,572,528.80 and 161,104,017.60 is: 241,656,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,715,019.20 : 287,572,528.80 = 161,104,017.60 : x
  2. Step 2: Convert to fraction form
    191,715,019.20/287,572,528.80 = 161,104,017.60/x
  3. Step 3: Cross multiply
    191,715,019.20x = 287,572,528.80 × 161,104,017.60
  4. Step 4: Simplify right side
    191,715,019.20x = 46,329,089,741,071,704
  5. Step 5: Solve for x
    x = 46,329,089,741,071,704/191,715,019.20
  6. Step 6: Final answer
    x = 241,656,026.40

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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.