Home / 169,478,723.70-253,877,790.51-143,459,605.62

Finding the Fourth Proportional to 169,478,723.70, 253,877,790.51 and 143,459,605.62

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Solution

The fourth proportional to 169,478,723.70, 253,877,790.51 and 143,459,605.62 is: 214,901,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,478,723.70 : 253,877,790.51 = 143,459,605.62 : x
  2. Step 2: Convert to fraction form
    169,478,723.70/253,877,790.51 = 143,459,605.62/x
  3. Step 3: Cross multiply
    169,478,723.70x = 253,877,790.51 × 143,459,605.62
  4. Step 4: Simplify right side
    169,478,723.70x = 36,421,207,702,241,576
  5. Step 5: Solve for x
    x = 36,421,207,702,241,576/169,478,723.70
  6. Step 6: Final answer
    x = 214,901,356.98

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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.