Home / 132,999,152.65-183,569,430.78-78,012,723.85

Finding the Fourth Proportional to 132,999,152.65, 183,569,430.78 and 78,012,723.85

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Solution

The fourth proportional to 132,999,152.65, 183,569,430.78 and 78,012,723.85 is: 107,675,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,999,152.65 : 183,569,430.78 = 78,012,723.85 : x
  2. Step 2: Convert to fraction form
    132,999,152.65/183,569,430.78 = 78,012,723.85/x
  3. Step 3: Cross multiply
    132,999,152.65x = 183,569,430.78 × 78,012,723.85
  4. Step 4: Simplify right side
    132,999,152.65x = 14,320,751,310,282,906
  5. Step 5: Solve for x
    x = 14,320,751,310,282,906/132,999,152.65
  6. Step 6: Final answer
    x = 107,675,507.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.