Home / 129,615,182,636.22-178,865,068,914.10-71,745,934,489.80

Finding the Fourth Proportional to 129,615,182,636.22, 178,865,068,914.10 and 71,745,934,489.80

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Solution

The fourth proportional to 129,615,182,636.22, 178,865,068,914.10 and 71,745,934,489.80 is: 99,007,240,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,615,182,636.22 : 178,865,068,914.10 = 71,745,934,489.80 : x
  2. Step 2: Convert to fraction form
    129,615,182,636.22/178,865,068,914.10 = 71,745,934,489.80/x
  3. Step 3: Cross multiply
    129,615,182,636.22x = 178,865,068,914.10 × 71,745,934,489.80
  4. Step 4: Simplify right side
    129,615,182,636.22x = 12,832,841,516,824,582,422,528
  5. Step 5: Solve for x
    x = 12,832,841,516,824,582,422,528/129,615,182,636.22
  6. Step 6: Final answer
    x = 99,007,240,169.09

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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.