Home / 66,559,814.95-99,850,450.73-20,501,662.59

Finding the Fourth Proportional to 66,559,814.95, 99,850,450.73 and 20,501,662.59

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Solution

The fourth proportional to 66,559,814.95, 99,850,450.73 and 20,501,662.59 is: 30,755,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559,814.95 : 99,850,450.73 = 20,501,662.59 : x
  2. Step 2: Convert to fraction form
    66,559,814.95/99,850,450.73 = 20,501,662.59/x
  3. Step 3: Cross multiply
    66,559,814.95x = 99,850,450.73 × 20,501,662.59
  4. Step 4: Simplify right side
    66,559,814.95x = 2,047,100,249,724,118.50
  5. Step 5: Solve for x
    x = 2,047,100,249,724,118.50/66,559,814.95
  6. Step 6: Final answer
    x = 30,755,798.39

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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.