Home / 85,124,127.40-127,702,779.90-33,997,445.80

Finding the Fourth Proportional to 85,124,127.40, 127,702,779.90 and 33,997,445.80

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Solution

The fourth proportional to 85,124,127.40, 127,702,779.90 and 33,997,445.80 is: 51,002,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,124,127.40 : 127,702,779.90 = 33,997,445.80 : x
  2. Step 2: Convert to fraction form
    85,124,127.40/127,702,779.90 = 33,997,445.80/x
  3. Step 3: Cross multiply
    85,124,127.40x = 127,702,779.90 × 33,997,445.80
  4. Step 4: Simplify right side
    85,124,127.40x = 4,341,568,338,159,579
  5. Step 5: Solve for x
    x = 4,341,568,338,159,579/85,124,127.40
  6. Step 6: Final answer
    x = 51,002,794.05

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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.