Home / 85,057,117.72-127,653,779.76-44,128,287.52

Finding the Fourth Proportional to 85,057,117.72, 127,653,779.76 and 44,128,287.52

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Solution

The fourth proportional to 85,057,117.72, 127,653,779.76 and 44,128,287.52 is: 66,227,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057,117.72 : 127,653,779.76 = 44,128,287.52 : x
  2. Step 2: Convert to fraction form
    85,057,117.72/127,653,779.76 = 44,128,287.52/x
  3. Step 3: Cross multiply
    85,057,117.72x = 127,653,779.76 × 44,128,287.52
  4. Step 4: Simplify right side
    85,057,117.72x = 5,633,142,696,264,037
  5. Step 5: Solve for x
    x = 5,633,142,696,264,037/85,057,117.72
  6. Step 6: Final answer
    x = 66,227,763.73

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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.