Home / 48,525,901.55-66,974,393.79-28,678,856.50

Finding the Fourth Proportional to 48,525,901.55, 66,974,393.79 and 28,678,856.50

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Solution

The fourth proportional to 48,525,901.55, 66,974,393.79 and 28,678,856.50 is: 39,581,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,525,901.55 : 66,974,393.79 = 28,678,856.50 : x
  2. Step 2: Convert to fraction form
    48,525,901.55/66,974,393.79 = 28,678,856.50/x
  3. Step 3: Cross multiply
    48,525,901.55x = 66,974,393.79 × 28,678,856.50
  4. Step 4: Simplify right side
    48,525,901.55x = 1,920,749,028,677,901
  5. Step 5: Solve for x
    x = 1,920,749,028,677,901/48,525,901.55
  6. Step 6: Final answer
    x = 39,581,933.93

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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.