Home / 191,739,457.20-287,609,185.80-133,068,370.80

Finding the Fourth Proportional to 191,739,457.20, 287,609,185.80 and 133,068,370.80

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Solution

The fourth proportional to 191,739,457.20, 287,609,185.80 and 133,068,370.80 is: 199,602,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,739,457.20 : 287,609,185.80 = 133,068,370.80 : x
  2. Step 2: Convert to fraction form
    191,739,457.20/287,609,185.80 = 133,068,370.80/x
  3. Step 3: Cross multiply
    191,739,457.20x = 287,609,185.80 × 133,068,370.80
  4. Step 4: Simplify right side
    191,739,457.20x = 38,271,685,781,520,496
  5. Step 5: Solve for x
    x = 38,271,685,781,520,496/191,739,457.20
  6. Step 6: Final answer
    x = 199,602,556.20

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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.