Home / 99,320,410.89-136,984,520.39-64,524,312.63

Finding the Fourth Proportional to 99,320,410.89, 136,984,520.39 and 64,524,312.63

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Solution

The fourth proportional to 99,320,410.89, 136,984,520.39 and 64,524,312.63 is: 88,993,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,320,410.89 : 136,984,520.39 = 64,524,312.63 : x
  2. Step 2: Convert to fraction form
    99,320,410.89/136,984,520.39 = 64,524,312.63/x
  3. Step 3: Cross multiply
    99,320,410.89x = 136,984,520.39 × 64,524,312.63
  4. Step 4: Simplify right side
    99,320,410.89x = 8,838,832,018,792,348
  5. Step 5: Solve for x
    x = 8,838,832,018,792,348/99,320,410.89
  6. Step 6: Final answer
    x = 88,993,107.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.