Home / 257,904,005.10-386,856,007.65-166,071,000.30

Finding the Fourth Proportional to 257,904,005.10, 386,856,007.65 and 166,071,000.30

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Solution

The fourth proportional to 257,904,005.10, 386,856,007.65 and 166,071,000.30 is: 249,106,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,904,005.10 : 386,856,007.65 = 166,071,000.30 : x
  2. Step 2: Convert to fraction form
    257,904,005.10/386,856,007.65 = 166,071,000.30/x
  3. Step 3: Cross multiply
    257,904,005.10x = 386,856,007.65 × 166,071,000.30
  4. Step 4: Simplify right side
    257,904,005.10x = 64,245,564,162,499,952
  5. Step 5: Solve for x
    x = 64,245,564,162,499,952/257,904,005.10
  6. Step 6: Final answer
    x = 249,106,500.45

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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.