Home / 99,660,220.40-137,543,525.32-57,835,305.22

Finding the Fourth Proportional to 99,660,220.40, 137,543,525.32 and 57,835,305.22

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Solution

The fourth proportional to 99,660,220.40, 137,543,525.32 and 57,835,305.22 is: 79,819,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,220.40 : 137,543,525.32 = 57,835,305.22 : x
  2. Step 2: Convert to fraction form
    99,660,220.40/137,543,525.32 = 57,835,305.22/x
  3. Step 3: Cross multiply
    99,660,220.40x = 137,543,525.32 × 57,835,305.22
  4. Step 4: Simplify right side
    99,660,220.40x = 7,954,871,767,229,281
  5. Step 5: Solve for x
    x = 7,954,871,767,229,281/99,660,220.40
  6. Step 6: Final answer
    x = 79,819,929.51

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1.5x scale

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.