Home / 99,794,880.15-149,692,320.23-56,647,411.35

Finding the Fourth Proportional to 99,794,880.15, 149,692,320.23 and 56,647,411.35

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Solution

The fourth proportional to 99,794,880.15, 149,692,320.23 and 56,647,411.35 is: 84,971,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,880.15 : 149,692,320.23 = 56,647,411.35 : x
  2. Step 2: Convert to fraction form
    99,794,880.15/149,692,320.23 = 56,647,411.35/x
  3. Step 3: Cross multiply
    99,794,880.15x = 149,692,320.23 × 56,647,411.35
  4. Step 4: Simplify right side
    99,794,880.15x = 8,479,682,439,721,499
  5. Step 5: Solve for x
    x = 8,479,682,439,721,499/99,794,880.15
  6. Step 6: Final answer
    x = 84,971,117.03

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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.