Home / 148,586,808-222,891,940.78-39,412,011.30

Finding the Fourth Proportional to 148,586,808, 222,891,940.78 and 39,412,011.30

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Solution

The fourth proportional to 148,586,808, 222,891,940.78 and 39,412,011.30 is: 59,121,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,586,808 : 222,891,940.78 = 39,412,011.30 : x
  2. Step 2: Convert to fraction form
    148,586,808/222,891,940.78 = 39,412,011.30/x
  3. Step 3: Cross multiply
    148,586,808x = 222,891,940.78 × 39,412,011.30
  4. Step 4: Simplify right side
    148,586,808x = 8,784,619,688,700,290
  5. Step 5: Solve for x
    x = 8,784,619,688,700,290/148,586,808
  6. Step 6: Final answer
    x = 59,121,127.96

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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.