Home / 148,007,632.80-221,586,296.40-90,612,004.80

Finding the Fourth Proportional to 148,007,632.80, 221,586,296.40 and 90,612,004.80

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Solution

The fourth proportional to 148,007,632.80, 221,586,296.40 and 90,612,004.80 is: 135,657,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,007,632.80 : 221,586,296.40 = 90,612,004.80 : x
  2. Step 2: Convert to fraction form
    148,007,632.80/221,586,296.40 = 90,612,004.80/x
  3. Step 3: Cross multiply
    148,007,632.80x = 221,586,296.40 × 90,612,004.80
  4. Step 4: Simplify right side
    148,007,632.80x = 20,078,378,553,011,024
  5. Step 5: Solve for x
    x = 20,078,378,553,011,024/148,007,632.80
  6. Step 6: Final answer
    x = 135,657,723.68

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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.