Home / 89,648,744.33-134,356,642.35-40,428,450.38

Finding the Fourth Proportional to 89,648,744.33, 134,356,642.35 and 40,428,450.38

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Solution

The fourth proportional to 89,648,744.33, 134,356,642.35 and 40,428,450.38 is: 60,590,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,648,744.33 : 134,356,642.35 = 40,428,450.38 : x
  2. Step 2: Convert to fraction form
    89,648,744.33/134,356,642.35 = 40,428,450.38/x
  3. Step 3: Cross multiply
    89,648,744.33x = 134,356,642.35 × 40,428,450.38
  4. Step 4: Simplify right side
    89,648,744.33x = 5,431,830,848,470,382
  5. Step 5: Solve for x
    x = 5,431,830,848,470,382/89,648,744.33
  6. Step 6: Final answer
    x = 60,590,149.80

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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.