Home / 109,038,378.30-163,557,567.45-65,991,657.30

Finding the Fourth Proportional to 109,038,378.30, 163,557,567.45 and 65,991,657.30

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Solution

The fourth proportional to 109,038,378.30, 163,557,567.45 and 65,991,657.30 is: 98,987,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,038,378.30 : 163,557,567.45 = 65,991,657.30 : x
  2. Step 2: Convert to fraction form
    109,038,378.30/163,557,567.45 = 65,991,657.30/x
  3. Step 3: Cross multiply
    109,038,378.30x = 163,557,567.45 × 65,991,657.30
  4. Step 4: Simplify right side
    109,038,378.30x = 10,793,434,939,982,034
  5. Step 5: Solve for x
    x = 10,793,434,939,982,034/109,038,378.30
  6. Step 6: Final answer
    x = 98,987,485.95

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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.