Home / 99,059,021.40-148,588,532.10-76,384,205.40

Finding the Fourth Proportional to 99,059,021.40, 148,588,532.10 and 76,384,205.40

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Solution

The fourth proportional to 99,059,021.40, 148,588,532.10 and 76,384,205.40 is: 114,576,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,059,021.40 : 148,588,532.10 = 76,384,205.40 : x
  2. Step 2: Convert to fraction form
    99,059,021.40/148,588,532.10 = 76,384,205.40/x
  3. Step 3: Cross multiply
    99,059,021.40x = 148,588,532.10 × 76,384,205.40
  4. Step 4: Simplify right side
    99,059,021.40x = 11,349,816,956,010,894
  5. Step 5: Solve for x
    x = 11,349,816,956,010,894/99,059,021.40
  6. Step 6: Final answer
    x = 114,576,308.10

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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.