Home / 99,076,812.30-148,615,218.45-73,567,644.30

Finding the Fourth Proportional to 99,076,812.30, 148,615,218.45 and 73,567,644.30

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Solution

The fourth proportional to 99,076,812.30, 148,615,218.45 and 73,567,644.30 is: 110,351,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,812.30 : 148,615,218.45 = 73,567,644.30 : x
  2. Step 2: Convert to fraction form
    99,076,812.30/148,615,218.45 = 73,567,644.30/x
  3. Step 3: Cross multiply
    99,076,812.30x = 148,615,218.45 × 73,567,644.30
  4. Step 4: Simplify right side
    99,076,812.30x = 10,933,271,528,496,396
  5. Step 5: Solve for x
    x = 10,933,271,528,496,396/99,076,812.30
  6. Step 6: Final answer
    x = 110,351,466.45

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Double scale
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Similar ratio
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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.