Home / 99,221,703.60-148,832,555.40-72,347,847.60

Finding the Fourth Proportional to 99,221,703.60, 148,832,555.40 and 72,347,847.60

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Solution

The fourth proportional to 99,221,703.60, 148,832,555.40 and 72,347,847.60 is: 108,521,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221,703.60 : 148,832,555.40 = 72,347,847.60 : x
  2. Step 2: Convert to fraction form
    99,221,703.60/148,832,555.40 = 72,347,847.60/x
  3. Step 3: Cross multiply
    99,221,703.60x = 148,832,555.40 × 72,347,847.60
  4. Step 4: Simplify right side
    99,221,703.60x = 10,767,715,035,997,756
  5. Step 5: Solve for x
    x = 10,767,715,035,997,756/99,221,703.60
  6. Step 6: Final answer
    x = 108,521,771.40

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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.