Home / 99,807,113.80-149,760,437.10-56,709,411.40

Finding the Fourth Proportional to 99,807,113.80, 149,760,437.10 and 56,709,411.40

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Solution

The fourth proportional to 99,807,113.80, 149,760,437.10 and 56,709,411.40 is: 85,092,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807,113.80 : 149,760,437.10 = 56,709,411.40 : x
  2. Step 2: Convert to fraction form
    99,807,113.80/149,760,437.10 = 56,709,411.40/x
  3. Step 3: Cross multiply
    99,807,113.80x = 149,760,437.10 × 56,709,411.40
  4. Step 4: Simplify right side
    99,807,113.80x = 8,492,826,238,947,722
  5. Step 5: Solve for x
    x = 8,492,826,238,947,722/99,807,113.80
  6. Step 6: Final answer
    x = 85,092,393.87

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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.