Home / 191,830,908.39-287,702,964.41-88,100,390.31

Finding the Fourth Proportional to 191,830,908.39, 287,702,964.41 and 88,100,390.31

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Solution

The fourth proportional to 191,830,908.39, 287,702,964.41 and 88,100,390.31 is: 132,130,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,830,908.39 : 287,702,964.41 = 88,100,390.31 : x
  2. Step 2: Convert to fraction form
    191,830,908.39/287,702,964.41 = 88,100,390.31/x
  3. Step 3: Cross multiply
    191,830,908.39x = 287,702,964.41 × 88,100,390.31
  4. Step 4: Simplify right side
    191,830,908.39x = 25,346,743,457,424,536
  5. Step 5: Solve for x
    x = 25,346,743,457,424,536/191,830,908.39
  6. Step 6: Final answer
    x = 132,130,654.39

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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.