Home / 102,519,820.80-153,779,731.20-41,915,404.80

Finding the Fourth Proportional to 102,519,820.80, 153,779,731.20 and 41,915,404.80

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Solution

The fourth proportional to 102,519,820.80, 153,779,731.20 and 41,915,404.80 is: 62,873,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,519,820.80 : 153,779,731.20 = 41,915,404.80 : x
  2. Step 2: Convert to fraction form
    102,519,820.80/153,779,731.20 = 41,915,404.80/x
  3. Step 3: Cross multiply
    102,519,820.80x = 153,779,731.20 × 41,915,404.80
  4. Step 4: Simplify right side
    102,519,820.80x = 6,445,739,683,283,189
  5. Step 5: Solve for x
    x = 6,445,739,683,283,189/102,519,820.80
  6. Step 6: Final answer
    x = 62,873,107.20

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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.