Home / 131,106,696.89-180,927,214.37-72,369,346.68

Finding the Fourth Proportional to 131,106,696.89, 180,927,214.37 and 72,369,346.68

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Solution

The fourth proportional to 131,106,696.89, 180,927,214.37 and 72,369,346.68 is: 99,869,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,106,696.89 : 180,927,214.37 = 72,369,346.68 : x
  2. Step 2: Convert to fraction form
    131,106,696.89/180,927,214.37 = 72,369,346.68/x
  3. Step 3: Cross multiply
    131,106,696.89x = 180,927,214.37 × 72,369,346.68
  4. Step 4: Simplify right side
    131,106,696.89x = 13,093,584,300,227,364
  5. Step 5: Solve for x
    x = 13,093,584,300,227,364/131,106,696.89
  6. Step 6: Final answer
    x = 99,869,683.33

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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.