Home / 103,581,238.40-155,147,908.80-92,234,499.20

Finding the Fourth Proportional to 103,581,238.40, 155,147,908.80 and 92,234,499.20

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Solution

The fourth proportional to 103,581,238.40, 155,147,908.80 and 92,234,499.20 is: 138,152,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581,238.40 : 155,147,908.80 = 92,234,499.20 : x
  2. Step 2: Convert to fraction form
    103,581,238.40/155,147,908.80 = 92,234,499.20/x
  3. Step 3: Cross multiply
    103,581,238.40x = 155,147,908.80 × 92,234,499.20
  4. Step 4: Simplify right side
    103,581,238.40x = 14,309,989,670,095,274
  5. Step 5: Solve for x
    x = 14,309,989,670,095,274/103,581,238.40
  6. Step 6: Final answer
    x = 138,152,332.33

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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.