Home / 99,690,079.30-149,555,336.55-56,579,935.30

Finding the Fourth Proportional to 99,690,079.30, 149,555,336.55 and 56,579,935.30

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Solution

The fourth proportional to 99,690,079.30, 149,555,336.55 and 56,579,935.30 is: 84,881,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,690,079.30 : 149,555,336.55 = 56,579,935.30 : x
  2. Step 2: Convert to fraction form
    99,690,079.30/149,555,336.55 = 56,579,935.30/x
  3. Step 3: Cross multiply
    99,690,079.30x = 149,555,336.55 × 56,579,935.30
  4. Step 4: Simplify right side
    99,690,079.30x = 8,461,831,265,768,725
  5. Step 5: Solve for x
    x = 8,461,831,265,768,725/99,690,079.30
  6. Step 6: Final answer
    x = 84,881,377.62

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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.