Home / 157,464,005.20-236,196,007.80-48,288,309.10

Finding the Fourth Proportional to 157,464,005.20, 236,196,007.80 and 48,288,309.10

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Solution

The fourth proportional to 157,464,005.20, 236,196,007.80 and 48,288,309.10 is: 72,432,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,005.20 : 236,196,007.80 = 48,288,309.10 : x
  2. Step 2: Convert to fraction form
    157,464,005.20/236,196,007.80 = 48,288,309.10/x
  3. Step 3: Cross multiply
    157,464,005.20x = 236,196,007.80 × 48,288,309.10
  4. Step 4: Simplify right side
    157,464,005.20x = 11,405,505,832,832,412
  5. Step 5: Solve for x
    x = 11,405,505,832,832,412/157,464,005.20
  6. Step 6: Final answer
    x = 72,432,463.65

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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.