Home / 222,829,939-307,506,429.98-139,246,604.38

Finding the Fourth Proportional to 222,829,939, 307,506,429.98 and 139,246,604.38

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Solution

The fourth proportional to 222,829,939, 307,506,429.98 and 139,246,604.38 is: 192,161,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,829,939 : 307,506,429.98 = 139,246,604.38 : x
  2. Step 2: Convert to fraction form
    222,829,939/307,506,429.98 = 139,246,604.38/x
  3. Step 3: Cross multiply
    222,829,939x = 307,506,429.98 × 139,246,604.38
  4. Step 4: Simplify right side
    222,829,939x = 42,819,226,199,731,232
  5. Step 5: Solve for x
    x = 42,819,226,199,731,232/222,829,939
  6. Step 6: Final answer
    x = 192,161,010.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.