Home / 120,298,350.56-165,983,267.40-68,087,386.22

Finding the Fourth Proportional to 120,298,350.56, 165,983,267.40 and 68,087,386.22

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Solution

The fourth proportional to 120,298,350.56, 165,983,267.40 and 68,087,386.22 is: 93,944,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,298,350.56 : 165,983,267.40 = 68,087,386.22 : x
  2. Step 2: Convert to fraction form
    120,298,350.56/165,983,267.40 = 68,087,386.22/x
  3. Step 3: Cross multiply
    120,298,350.56x = 165,983,267.40 × 68,087,386.22
  4. Step 4: Simplify right side
    120,298,350.56x = 11,301,366,833,521,336
  5. Step 5: Solve for x
    x = 11,301,366,833,521,336/120,298,350.56
  6. Step 6: Final answer
    x = 93,944,487.03

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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.