Home / 99,066,120.48-148,610,998.80-47,911,380.96

Finding the Fourth Proportional to 99,066,120.48, 148,610,998.80 and 47,911,380.96

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Solution

The fourth proportional to 99,066,120.48, 148,610,998.80 and 47,911,380.96 is: 71,872,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066,120.48 : 148,610,998.80 = 47,911,380.96 : x
  2. Step 2: Convert to fraction form
    99,066,120.48/148,610,998.80 = 47,911,380.96/x
  3. Step 3: Cross multiply
    99,066,120.48x = 148,610,998.80 × 47,911,380.96
  4. Step 4: Simplify right side
    99,066,120.48x = 7,120,158,178,352,904
  5. Step 5: Solve for x
    x = 7,120,158,178,352,904/99,066,120.48
  6. Step 6: Final answer
    x = 71,872,787.02

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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.