Home / 280,063,613.80-420,095,420.70-144,014,717.80

Finding the Fourth Proportional to 280,063,613.80, 420,095,420.70 and 144,014,717.80

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Solution

The fourth proportional to 280,063,613.80, 420,095,420.70 and 144,014,717.80 is: 216,022,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,063,613.80 : 420,095,420.70 = 144,014,717.80 : x
  2. Step 2: Convert to fraction form
    280,063,613.80/420,095,420.70 = 144,014,717.80/x
  3. Step 3: Cross multiply
    280,063,613.80x = 420,095,420.70 × 144,014,717.80
  4. Step 4: Simplify right side
    280,063,613.80x = 60,499,923,461,182,784
  5. Step 5: Solve for x
    x = 60,499,923,461,182,784/280,063,613.80
  6. Step 6: Final answer
    x = 216,022,076.70

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1.5x scale

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.