Home / 66,323,779.10-99,503,580.07-20,264,392.19

Finding the Fourth Proportional to 66,323,779.10, 99,503,580.07 and 20,264,392.19

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Solution

The fourth proportional to 66,323,779.10, 99,503,580.07 and 20,264,392.19 is: 30,402,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,323,779.10 : 99,503,580.07 = 20,264,392.19 : x
  2. Step 2: Convert to fraction form
    66,323,779.10/99,503,580.07 = 20,264,392.19/x
  3. Step 3: Cross multiply
    66,323,779.10x = 99,503,580.07 × 20,264,392.19
  4. Step 4: Simplify right side
    66,323,779.10x = 2,016,379,570,350,029.50
  5. Step 5: Solve for x
    x = 2,016,379,570,350,029.50/66,323,779.10
  6. Step 6: Final answer
    x = 30,402,060.89

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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.