Home / 99,035,998.20-148,270,562.10-87,698,590.20

Finding the Fourth Proportional to 99,035,998.20, 148,270,562.10 and 87,698,590.20

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Solution

The fourth proportional to 99,035,998.20, 148,270,562.10 and 87,698,590.20 is: 131,296,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,035,998.20 : 148,270,562.10 = 87,698,590.20 : x
  2. Step 2: Convert to fraction form
    99,035,998.20/148,270,562.10 = 87,698,590.20/x
  3. Step 3: Cross multiply
    99,035,998.20x = 148,270,562.10 × 87,698,590.20
  4. Step 4: Simplify right side
    99,035,998.20x = 13,003,119,264,331,552
  5. Step 5: Solve for x
    x = 13,003,119,264,331,552/99,035,998.20
  6. Step 6: Final answer
    x = 131,296,897.09

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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.