Home / 99,076,514.70-148,473,054.45-72,965,046.90

Finding the Fourth Proportional to 99,076,514.70, 148,473,054.45 and 72,965,046.90

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Solution

The fourth proportional to 99,076,514.70, 148,473,054.45 and 72,965,046.90 is: 109,343,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,514.70 : 148,473,054.45 = 72,965,046.90 : x
  2. Step 2: Convert to fraction form
    99,076,514.70/148,473,054.45 = 72,965,046.90/x
  3. Step 3: Cross multiply
    99,076,514.70x = 148,473,054.45 × 72,965,046.90
  4. Step 4: Simplify right side
    99,076,514.70x = 10,833,343,381,330,504
  5. Step 5: Solve for x
    x = 10,833,343,381,330,504/99,076,514.70
  6. Step 6: Final answer
    x = 109,343,202.21

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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.