Home / 191,232,520.91-286,254,999.92-103,576,326.47

Finding the Fourth Proportional to 191,232,520.91, 286,254,999.92 and 103,576,326.47

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Solution

The fourth proportional to 191,232,520.91, 286,254,999.92 and 103,576,326.47 is: 155,042,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,232,520.91 : 286,254,999.92 = 103,576,326.47 : x
  2. Step 2: Convert to fraction form
    191,232,520.91/286,254,999.92 = 103,576,326.47/x
  3. Step 3: Cross multiply
    191,232,520.91x = 286,254,999.92 × 103,576,326.47
  4. Step 4: Simplify right side
    191,232,520.91x = 29,649,241,323,434,592
  5. Step 5: Solve for x
    x = 29,649,241,323,434,592/191,232,520.91
  6. Step 6: Final answer
    x = 155,042,882.79

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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.