Home / 71,030,505,909.69-98,034,728,062.55-42,487,301,382.75

Finding the Fourth Proportional to 71,030,505,909.69, 98,034,728,062.55 and 42,487,301,382.75

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Solution

The fourth proportional to 71,030,505,909.69, 98,034,728,062.55 and 42,487,301,382.75 is: 58,640,030,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,030,505,909.69 : 98,034,728,062.55 = 42,487,301,382.75 : x
  2. Step 2: Convert to fraction form
    71,030,505,909.69/98,034,728,062.55 = 42,487,301,382.75/x
  3. Step 3: Cross multiply
    71,030,505,909.69x = 98,034,728,062.55 × 42,487,301,382.75
  4. Step 4: Simplify right side
    71,030,505,909.69x = 4,165,231,037,169,288,085,504
  5. Step 5: Solve for x
    x = 4,165,231,037,169,288,085,504/71,030,505,909.69
  6. Step 6: Final answer
    x = 58,640,030,559.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.