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Finding the Fourth Proportional to 172,384,459.20, 258,576,688.80 and 172,384,459.20

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Solution

The fourth proportional to 172,384,459.20, 258,576,688.80 and 172,384,459.20 is: 258,576,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,384,459.20 : 258,576,688.80 = 172,384,459.20 : x
  2. Step 2: Convert to fraction form
    172,384,459.20/258,576,688.80 = 172,384,459.20/x
  3. Step 3: Cross multiply
    172,384,459.20x = 258,576,688.80 × 172,384,459.20
  4. Step 4: Simplify right side
    172,384,459.20x = 44,574,602,660,514,696
  5. Step 5: Solve for x
    x = 44,574,602,660,514,696/172,384,459.20
  6. Step 6: Final answer
    x = 258,576,688.80

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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.