Home / 171,936,017.60-257,904,026.40-117,516,459.20

Finding the Fourth Proportional to 171,936,017.60, 257,904,026.40 and 117,516,459.20

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Solution

The fourth proportional to 171,936,017.60, 257,904,026.40 and 117,516,459.20 is: 176,274,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936,017.60 : 257,904,026.40 = 117,516,459.20 : x
  2. Step 2: Convert to fraction form
    171,936,017.60/257,904,026.40 = 117,516,459.20/x
  3. Step 3: Cross multiply
    171,936,017.60x = 257,904,026.40 × 117,516,459.20
  4. Step 4: Simplify right side
    171,936,017.60x = 30,307,967,995,951,324
  5. Step 5: Solve for x
    x = 30,307,967,995,951,324/171,936,017.60
  6. Step 6: Final answer
    x = 176,274,688.80

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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.