Home / 112,087,026.18-154,676,586.69-65,708,169.30

Finding the Fourth Proportional to 112,087,026.18, 154,676,586.69 and 65,708,169.30

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Solution

The fourth proportional to 112,087,026.18, 154,676,586.69 and 65,708,169.30 is: 90,675,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,087,026.18 : 154,676,586.69 = 65,708,169.30 : x
  2. Step 2: Convert to fraction form
    112,087,026.18/154,676,586.69 = 65,708,169.30/x
  3. Step 3: Cross multiply
    112,087,026.18x = 154,676,586.69 × 65,708,169.30
  4. Step 4: Simplify right side
    112,087,026.18x = 10,163,515,344,972,646
  5. Step 5: Solve for x
    x = 10,163,515,344,972,646/112,087,026.18
  6. Step 6: Final answer
    x = 90,675,216.31

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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.