Home / 165,402,089.40-248,103,134.10-157,465,903.80

Finding the Fourth Proportional to 165,402,089.40, 248,103,134.10 and 157,465,903.80

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Solution

The fourth proportional to 165,402,089.40, 248,103,134.10 and 157,465,903.80 is: 236,198,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402,089.40 : 248,103,134.10 = 157,465,903.80 : x
  2. Step 2: Convert to fraction form
    165,402,089.40/248,103,134.10 = 157,465,903.80/x
  3. Step 3: Cross multiply
    165,402,089.40x = 248,103,134.10 × 157,465,903.80
  4. Step 4: Simplify right side
    165,402,089.40x = 39,067,784,246,669,104
  5. Step 5: Solve for x
    x = 39,067,784,246,669,104/165,402,089.40
  6. Step 6: Final answer
    x = 236,198,855.70

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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.