Home / 73,928,709.45-102,025,440.95-42,571,412.73

Finding the Fourth Proportional to 73,928,709.45, 102,025,440.95 and 42,571,412.73

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Solution

The fourth proportional to 73,928,709.45, 102,025,440.95 and 42,571,412.73 is: 58,750,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,928,709.45 : 102,025,440.95 = 42,571,412.73 : x
  2. Step 2: Convert to fraction form
    73,928,709.45/102,025,440.95 = 42,571,412.73/x
  3. Step 3: Cross multiply
    73,928,709.45x = 102,025,440.95 × 42,571,412.73
  4. Step 4: Simplify right side
    73,928,709.45x = 4,343,367,155,429,835.50
  5. Step 5: Solve for x
    x = 4,343,367,155,429,835.50/73,928,709.45
  6. Step 6: Final answer
    x = 58,750,750.39

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1.5x scale

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.