Home / 191,641,507.36-287,347,339.71-87,880,728.11

Finding the Fourth Proportional to 191,641,507.36, 287,347,339.71 and 87,880,728.11

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Solution

The fourth proportional to 191,641,507.36, 287,347,339.71 and 87,880,728.11 is: 131,768,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,641,507.36 : 287,347,339.71 = 87,880,728.11 : x
  2. Step 2: Convert to fraction form
    191,641,507.36/287,347,339.71 = 87,880,728.11/x
  3. Step 3: Cross multiply
    191,641,507.36x = 287,347,339.71 × 87,880,728.11
  4. Step 4: Simplify right side
    191,641,507.36x = 25,252,293,432,749,580
  5. Step 5: Solve for x
    x = 25,252,293,432,749,580/191,641,507.36
  6. Step 6: Final answer
    x = 131,768,392.88

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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.