Home / 110,525,419.20-165,788,128.80-32,805,125.40

Finding the Fourth Proportional to 110,525,419.20, 165,788,128.80 and 32,805,125.40

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Solution

The fourth proportional to 110,525,419.20, 165,788,128.80 and 32,805,125.40 is: 49,207,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,525,419.20 : 165,788,128.80 = 32,805,125.40 : x
  2. Step 2: Convert to fraction form
    110,525,419.20/165,788,128.80 = 32,805,125.40/x
  3. Step 3: Cross multiply
    110,525,419.20x = 165,788,128.80 × 32,805,125.40
  4. Step 4: Simplify right side
    110,525,419.20x = 5,438,700,355,115,352
  5. Step 5: Solve for x
    x = 5,438,700,355,115,352/110,525,419.20
  6. Step 6: Final answer
    x = 49,207,688.10

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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.