Home / 208,664,087.04-312,895,457.28-87,462,996.48

Finding the Fourth Proportional to 208,664,087.04, 312,895,457.28 and 87,462,996.48

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Solution

The fourth proportional to 208,664,087.04, 312,895,457.28 and 87,462,996.48 is: 131,152,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,664,087.04 : 312,895,457.28 = 87,462,996.48 : x
  2. Step 2: Convert to fraction form
    208,664,087.04/312,895,457.28 = 87,462,996.48/x
  3. Step 3: Cross multiply
    208,664,087.04x = 312,895,457.28 × 87,462,996.48
  4. Step 4: Simplify right side
    208,664,087.04x = 27,366,774,278,688,628
  5. Step 5: Solve for x
    x = 27,366,774,278,688,628/208,664,087.04
  6. Step 6: Final answer
    x = 131,152,296.82

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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.