Home / 66,562,263.10-99,644,329.05-39,622,051.90

Finding the Fourth Proportional to 66,562,263.10, 99,644,329.05 and 39,622,051.90

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Solution

The fourth proportional to 66,562,263.10, 99,644,329.05 and 39,622,051.90 is: 59,314,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562,263.10 : 99,644,329.05 = 39,622,051.90 : x
  2. Step 2: Convert to fraction form
    66,562,263.10/99,644,329.05 = 39,622,051.90/x
  3. Step 3: Cross multiply
    66,562,263.10x = 99,644,329.05 × 39,622,051.90
  4. Step 4: Simplify right side
    66,562,263.10x = 3,948,112,777,159,777.50
  5. Step 5: Solve for x
    x = 3,948,112,777,159,777.50/66,562,263.10
  6. Step 6: Final answer
    x = 59,314,581.47

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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.