Home / 191,505,042.90-287,257,564.35-133,054,406.10

Finding the Fourth Proportional to 191,505,042.90, 287,257,564.35 and 133,054,406.10

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Solution

The fourth proportional to 191,505,042.90, 287,257,564.35 and 133,054,406.10 is: 199,581,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505,042.90 : 287,257,564.35 = 133,054,406.10 : x
  2. Step 2: Convert to fraction form
    191,505,042.90/287,257,564.35 = 133,054,406.10/x
  3. Step 3: Cross multiply
    191,505,042.90x = 287,257,564.35 × 133,054,406.10
  4. Step 4: Simplify right side
    191,505,042.90x = 38,220,884,622,321,784
  5. Step 5: Solve for x
    x = 38,220,884,622,321,784/191,505,042.90
  6. Step 6: Final answer
    x = 199,581,609.15

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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.