Home / 191,718,209.70-287,577,314.55-161,107,208.10

Finding the Fourth Proportional to 191,718,209.70, 287,577,314.55 and 161,107,208.10

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Solution

The fourth proportional to 191,718,209.70, 287,577,314.55 and 161,107,208.10 is: 241,660,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,718,209.70 : 287,577,314.55 = 161,107,208.10 : x
  2. Step 2: Convert to fraction form
    191,718,209.70/287,577,314.55 = 161,107,208.10/x
  3. Step 3: Cross multiply
    191,718,209.70x = 287,577,314.55 × 161,107,208.10
  4. Step 4: Simplify right side
    191,718,209.70x = 46,330,778,260,046,008
  5. Step 5: Solve for x
    x = 46,330,778,260,046,008/191,718,209.70
  6. Step 6: Final answer
    x = 241,660,812.15

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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.