Home / 115,880,326.80-173,820,490.20-72,779,805.60

Finding the Fourth Proportional to 115,880,326.80, 173,820,490.20 and 72,779,805.60

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Solution

The fourth proportional to 115,880,326.80, 173,820,490.20 and 72,779,805.60 is: 109,169,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,880,326.80 : 173,820,490.20 = 72,779,805.60 : x
  2. Step 2: Convert to fraction form
    115,880,326.80/173,820,490.20 = 72,779,805.60/x
  3. Step 3: Cross multiply
    115,880,326.80x = 173,820,490.20 × 72,779,805.60
  4. Step 4: Simplify right side
    115,880,326.80x = 12,650,621,486,052,704
  5. Step 5: Solve for x
    x = 12,650,621,486,052,704/115,880,326.80
  6. Step 6: Final answer
    x = 109,169,708.40

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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.