Home / 99,066,120.31-148,610,998.50-47,911,381.12

Finding the Fourth Proportional to 99,066,120.31, 148,610,998.50 and 47,911,381.12

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Solution

The fourth proportional to 99,066,120.31, 148,610,998.50 and 47,911,381.12 is: 71,872,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066,120.31 : 148,610,998.50 = 47,911,381.12 : x
  2. Step 2: Convert to fraction form
    99,066,120.31/148,610,998.50 = 47,911,381.12/x
  3. Step 3: Cross multiply
    99,066,120.31x = 148,610,998.50 × 47,911,381.12
  4. Step 4: Simplify right side
    99,066,120.31x = 7,120,158,187,757,248
  5. Step 5: Solve for x
    x = 7,120,158,187,757,248/99,066,120.31
  6. Step 6: Final answer
    x = 71,872,787.24

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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.