Home / 72,435,779.55-108,653,669.33-67,333,945.95

Finding the Fourth Proportional to 72,435,779.55, 108,653,669.33 and 67,333,945.95

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Solution

The fourth proportional to 72,435,779.55, 108,653,669.33 and 67,333,945.95 is: 101,000,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435,779.55 : 108,653,669.33 = 67,333,945.95 : x
  2. Step 2: Convert to fraction form
    72,435,779.55/108,653,669.33 = 67,333,945.95/x
  3. Step 3: Cross multiply
    72,435,779.55x = 108,653,669.33 × 67,333,945.95
  4. Step 4: Simplify right side
    72,435,779.55x = 7,316,080,297,598,724
  5. Step 5: Solve for x
    x = 7,316,080,297,598,724/72,435,779.55
  6. Step 6: Final answer
    x = 101,000,918.93

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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.