Home / 99,320,411.89-136,984,521.76-64,524,313.63

Finding the Fourth Proportional to 99,320,411.89, 136,984,521.76 and 64,524,313.63

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Solution

The fourth proportional to 99,320,411.89, 136,984,521.76 and 64,524,313.63 is: 88,993,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,320,411.89 : 136,984,521.76 = 64,524,313.63 : x
  2. Step 2: Convert to fraction form
    99,320,411.89/136,984,521.76 = 64,524,313.63/x
  3. Step 3: Cross multiply
    99,320,411.89x = 136,984,521.76 × 64,524,313.63
  4. Step 4: Simplify right side
    99,320,411.89x = 8,838,832,244,497,799
  5. Step 5: Solve for x
    x = 8,838,832,244,497,799/99,320,411.89
  6. Step 6: Final answer
    x = 88,993,109.03

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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.