Home / 165,889,419.20-248,834,128.80-50,891,710.40

Finding the Fourth Proportional to 165,889,419.20, 248,834,128.80 and 50,891,710.40

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Solution

The fourth proportional to 165,889,419.20, 248,834,128.80 and 50,891,710.40 is: 76,337,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,419.20 : 248,834,128.80 = 50,891,710.40 : x
  2. Step 2: Convert to fraction form
    165,889,419.20/248,834,128.80 = 50,891,710.40/x
  3. Step 3: Cross multiply
    165,889,419.20x = 248,834,128.80 × 50,891,710.40
  4. Step 4: Simplify right side
    165,889,419.20x = 12,663,594,420,525,900
  5. Step 5: Solve for x
    x = 12,663,594,420,525,900/165,889,419.20
  6. Step 6: Final answer
    x = 76,337,565.60

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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.