Home / 165,429,233.40-248,143,850.10-84,807,665.40

Finding the Fourth Proportional to 165,429,233.40, 248,143,850.10 and 84,807,665.40

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Solution

The fourth proportional to 165,429,233.40, 248,143,850.10 and 84,807,665.40 is: 127,211,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,429,233.40 : 248,143,850.10 = 84,807,665.40 : x
  2. Step 2: Convert to fraction form
    165,429,233.40/248,143,850.10 = 84,807,665.40/x
  3. Step 3: Cross multiply
    165,429,233.40x = 248,143,850.10 × 84,807,665.40
  4. Step 4: Simplify right side
    165,429,233.40x = 21,044,500,610,348,556
  5. Step 5: Solve for x
    x = 21,044,500,610,348,556/165,429,233.40
  6. Step 6: Final answer
    x = 127,211,498.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.