Home / 66,559,819.50-99,850,457.58-20,501,667.18

Finding the Fourth Proportional to 66,559,819.50, 99,850,457.58 and 20,501,667.18

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Solution

The fourth proportional to 66,559,819.50, 99,850,457.58 and 20,501,667.18 is: 30,755,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559,819.50 : 99,850,457.58 = 20,501,667.18 : x
  2. Step 2: Convert to fraction form
    66,559,819.50/99,850,457.58 = 20,501,667.18/x
  3. Step 3: Cross multiply
    66,559,819.50x = 99,850,457.58 × 20,501,667.18
  4. Step 4: Simplify right side
    66,559,819.50x = 2,047,100,849,075,868.25
  5. Step 5: Solve for x
    x = 2,047,100,849,075,868.25/66,559,819.50
  6. Step 6: Final answer
    x = 30,755,805.30

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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.