Home / 42,768,400.80-64,152,601.20-41,508,688.80

Finding the Fourth Proportional to 42,768,400.80, 64,152,601.20 and 41,508,688.80

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Solution

The fourth proportional to 42,768,400.80, 64,152,601.20 and 41,508,688.80 is: 62,263,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,400.80 : 64,152,601.20 = 41,508,688.80 : x
  2. Step 2: Convert to fraction form
    42,768,400.80/64,152,601.20 = 41,508,688.80/x
  3. Step 3: Cross multiply
    42,768,400.80x = 64,152,601.20 × 41,508,688.80
  4. Step 4: Simplify right side
    42,768,400.80x = 2,662,890,358,921,306.50
  5. Step 5: Solve for x
    x = 2,662,890,358,921,306.50/42,768,400.80
  6. Step 6: Final answer
    x = 62,263,033.20

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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.