Home / 208,664,088.04-312,895,458.78-87,462,997.48

Finding the Fourth Proportional to 208,664,088.04, 312,895,458.78 and 87,462,997.48

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Solution

The fourth proportional to 208,664,088.04, 312,895,458.78 and 87,462,997.48 is: 131,152,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,664,088.04 : 312,895,458.78 = 87,462,997.48 : x
  2. Step 2: Convert to fraction form
    208,664,088.04/312,895,458.78 = 87,462,997.48/x
  3. Step 3: Cross multiply
    208,664,088.04x = 312,895,458.78 × 87,462,997.48
  4. Step 4: Simplify right side
    208,664,088.04x = 27,366,774,722,778,584
  5. Step 5: Solve for x
    x = 27,366,774,722,778,584/208,664,088.04
  6. Step 6: Final answer
    x = 131,152,298.32

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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.