Home / 66,444,005.70-99,666,008.55-40,801,868.10

Finding the Fourth Proportional to 66,444,005.70, 99,666,008.55 and 40,801,868.10

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Solution

The fourth proportional to 66,444,005.70, 99,666,008.55 and 40,801,868.10 is: 61,202,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,444,005.70 : 99,666,008.55 = 40,801,868.10 : x
  2. Step 2: Convert to fraction form
    66,444,005.70/99,666,008.55 = 40,801,868.10/x
  3. Step 3: Cross multiply
    66,444,005.70x = 99,666,008.55 × 40,801,868.10
  4. Step 4: Simplify right side
    66,444,005.70x = 4,066,559,334,910,572.50
  5. Step 5: Solve for x
    x = 4,066,559,334,910,572.50/66,444,005.70
  6. Step 6: Final answer
    x = 61,202,802.15

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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.