Home / 101,843,831,489.88-140,538,154,884.27-56,115,547,899.72

Finding the Fourth Proportional to 101,843,831,489.88, 140,538,154,884.27 and 56,115,547,899.72

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Solution

The fourth proportional to 101,843,831,489.88, 140,538,154,884.27 and 56,115,547,899.72 is: 77,435,966,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843,831,489.88 : 140,538,154,884.27 = 56,115,547,899.72 : x
  2. Step 2: Convert to fraction form
    101,843,831,489.88/140,538,154,884.27 = 56,115,547,899.72/x
  3. Step 3: Cross multiply
    101,843,831,489.88x = 140,538,154,884.27 × 56,115,547,899.72
  4. Step 4: Simplify right side
    101,843,831,489.88x = 7,886,375,562,146,099,494,912
  5. Step 5: Solve for x
    x = 7,886,375,562,146,099,494,912/101,843,831,489.88
  6. Step 6: Final answer
    x = 77,435,966,879.64

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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.