Home / 112,002,228.80-154,597,237.12-64,971,187.36

Finding the Fourth Proportional to 112,002,228.80, 154,597,237.12 and 64,971,187.36

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Solution

The fourth proportional to 112,002,228.80, 154,597,237.12 and 64,971,187.36 is: 89,680,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002,228.80 : 154,597,237.12 = 64,971,187.36 : x
  2. Step 2: Convert to fraction form
    112,002,228.80/154,597,237.12 = 64,971,187.36/x
  3. Step 3: Cross multiply
    112,002,228.80x = 154,597,237.12 × 64,971,187.36
  4. Step 4: Simplify right side
    112,002,228.80x = 10,044,366,058,261,868
  5. Step 5: Solve for x
    x = 10,044,366,058,261,868/112,002,228.80
  6. Step 6: Final answer
    x = 89,680,055.17

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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.