Home / 222,830,152.40-307,506,723.28-139,246,817.20

Finding the Fourth Proportional to 222,830,152.40, 307,506,723.28 and 139,246,817.20

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Solution

The fourth proportional to 222,830,152.40, 307,506,723.28 and 139,246,817.20 is: 192,161,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,830,152.40 : 307,506,723.28 = 139,246,817.20 : x
  2. Step 2: Convert to fraction form
    222,830,152.40/307,506,723.28 = 139,246,817.20/x
  3. Step 3: Cross multiply
    222,830,152.40x = 307,506,723.28 × 139,246,817.20
  4. Step 4: Simplify right side
    222,830,152.40x = 42,819,332,484,341,136
  5. Step 5: Solve for x
    x = 42,819,332,484,341,136/222,830,152.40
  6. Step 6: Final answer
    x = 192,161,303.23

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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.