Home / 222,830,140.36-307,506,706.68-139,246,805.20

Finding the Fourth Proportional to 222,830,140.36, 307,506,706.68 and 139,246,805.20

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Solution

The fourth proportional to 222,830,140.36, 307,506,706.68 and 139,246,805.20 is: 192,161,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,830,140.36 : 307,506,706.68 = 139,246,805.20 : x
  2. Step 2: Convert to fraction form
    222,830,140.36/307,506,706.68 = 139,246,805.20/x
  3. Step 3: Cross multiply
    222,830,140.36x = 307,506,706.68 × 139,246,805.20
  4. Step 4: Simplify right side
    222,830,140.36x = 42,819,326,482,763,496
  5. Step 5: Solve for x
    x = 42,819,326,482,763,496/222,830,140.36
  6. Step 6: Final answer
    x = 192,161,286.68

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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.