Home / 66,522,038.66-99,783,303.11-20,463,588.62

Finding the Fourth Proportional to 66,522,038.66, 99,783,303.11 and 20,463,588.62

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Solution

The fourth proportional to 66,522,038.66, 99,783,303.11 and 20,463,588.62 is: 30,695,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522,038.66 : 99,783,303.11 = 20,463,588.62 : x
  2. Step 2: Convert to fraction form
    66,522,038.66/99,783,303.11 = 20,463,588.62/x
  3. Step 3: Cross multiply
    66,522,038.66x = 99,783,303.11 × 20,463,588.62
  4. Step 4: Simplify right side
    66,522,038.66x = 2,041,924,465,386,572
  5. Step 5: Solve for x
    x = 2,041,924,465,386,572/66,522,038.66
  6. Step 6: Final answer
    x = 30,695,458.33

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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.