Home / 99,108,001.20-148,662,001.80-92,730,709.20

Finding the Fourth Proportional to 99,108,001.20, 148,662,001.80 and 92,730,709.20

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Solution

The fourth proportional to 99,108,001.20, 148,662,001.80 and 92,730,709.20 is: 139,096,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108,001.20 : 148,662,001.80 = 92,730,709.20 : x
  2. Step 2: Convert to fraction form
    99,108,001.20/148,662,001.80 = 92,730,709.20/x
  3. Step 3: Cross multiply
    99,108,001.20x = 148,662,001.80 × 92,730,709.20
  4. Step 4: Simplify right side
    99,108,001.20x = 13,785,532,858,005,678
  5. Step 5: Solve for x
    x = 13,785,532,858,005,678/99,108,001.20
  6. Step 6: Final answer
    x = 139,096,063.80

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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.