Home / 99,690,060.30-149,555,308.05-56,579,916.30

Finding the Fourth Proportional to 99,690,060.30, 149,555,308.05 and 56,579,916.30

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Solution

The fourth proportional to 99,690,060.30, 149,555,308.05 and 56,579,916.30 is: 84,881,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,690,060.30 : 149,555,308.05 = 56,579,916.30 : x
  2. Step 2: Convert to fraction form
    99,690,060.30/149,555,308.05 = 56,579,916.30/x
  3. Step 3: Cross multiply
    99,690,060.30x = 149,555,308.05 × 56,579,916.30
  4. Step 4: Simplify right side
    99,690,060.30x = 8,461,826,811,689,716
  5. Step 5: Solve for x
    x = 8,461,826,811,689,716/99,690,060.30
  6. Step 6: Final answer
    x = 84,881,349.12

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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.