Home / 99,076,513.20-148,614,769.80-30,910,347.60

Finding the Fourth Proportional to 99,076,513.20, 148,614,769.80 and 30,910,347.60

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Solution

The fourth proportional to 99,076,513.20, 148,614,769.80 and 30,910,347.60 is: 46,365,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,513.20 : 148,614,769.80 = 30,910,347.60 : x
  2. Step 2: Convert to fraction form
    99,076,513.20/148,614,769.80 = 30,910,347.60/x
  3. Step 3: Cross multiply
    99,076,513.20x = 148,614,769.80 × 30,910,347.60
  4. Step 4: Simplify right side
    99,076,513.20x = 4,593,734,193,011,983
  5. Step 5: Solve for x
    x = 4,593,734,193,011,983/99,076,513.20
  6. Step 6: Final answer
    x = 46,365,521.40

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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.