Home / 91,020,205.80-136,548,023.40-26,326,121.40

Finding the Fourth Proportional to 91,020,205.80, 136,548,023.40 and 26,326,121.40

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Solution

The fourth proportional to 91,020,205.80, 136,548,023.40 and 26,326,121.40 is: 39,494,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020,205.80 : 136,548,023.40 = 26,326,121.40 : x
  2. Step 2: Convert to fraction form
    91,020,205.80/136,548,023.40 = 26,326,121.40/x
  3. Step 3: Cross multiply
    91,020,205.80x = 136,548,023.40 × 26,326,121.40
  4. Step 4: Simplify right side
    91,020,205.80x = 3,594,779,840,958,440.50
  5. Step 5: Solve for x
    x = 3,594,779,840,958,440.50/91,020,205.80
  6. Step 6: Final answer
    x = 39,494,305.79

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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.