Home / 145,004,684.40-217,625,999.40-143,870,943.60

Finding the Fourth Proportional to 145,004,684.40, 217,625,999.40 and 143,870,943.60

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Solution

The fourth proportional to 145,004,684.40, 217,625,999.40 and 143,870,943.60 is: 215,924,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004,684.40 : 217,625,999.40 = 143,870,943.60 : x
  2. Step 2: Convert to fraction form
    145,004,684.40/217,625,999.40 = 143,870,943.60/x
  3. Step 3: Cross multiply
    145,004,684.40x = 217,625,999.40 × 143,870,943.60
  4. Step 4: Simplify right side
    145,004,684.40x = 31,310,057,885,571,032
  5. Step 5: Solve for x
    x = 31,310,057,885,571,032/145,004,684.40
  6. Step 6: Final answer
    x = 215,924,457.99

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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.