Home / 129,380,614,495.08-178,554,487,157.04-71,507,749,327.80

Finding the Fourth Proportional to 129,380,614,495.08, 178,554,487,157.04 and 71,507,749,327.80

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Solution

The fourth proportional to 129,380,614,495.08, 178,554,487,157.04 and 71,507,749,327.80 is: 98,685,800,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,380,614,495.08 : 178,554,487,157.04 = 71,507,749,327.80 : x
  2. Step 2: Convert to fraction form
    129,380,614,495.08/178,554,487,157.04 = 71,507,749,327.80/x
  3. Step 3: Cross multiply
    129,380,614,495.08x = 178,554,487,157.04 × 71,507,749,327.80
  4. Step 4: Simplify right side
    129,380,614,495.08x = 12,768,029,508,979,501,563,904
  5. Step 5: Solve for x
    x = 12,768,029,508,979,501,563,904/129,380,614,495.08
  6. Step 6: Final answer
    x = 98,685,800,487.25

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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.