Home / 157,606,109,193.23-217,496,640,429.96-85,348,298,656.21

Finding the Fourth Proportional to 157,606,109,193.23, 217,496,640,429.96 and 85,348,298,656.21

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Solution

The fourth proportional to 157,606,109,193.23, 217,496,640,429.96 and 85,348,298,656.21 is: 117,780,765,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606,109,193.23 : 217,496,640,429.96 = 85,348,298,656.21 : x
  2. Step 2: Convert to fraction form
    157,606,109,193.23/217,496,640,429.96 = 85,348,298,656.21/x
  3. Step 3: Cross multiply
    157,606,109,193.23x = 217,496,640,429.96 × 85,348,298,656.21
  4. Step 4: Simplify right side
    157,606,109,193.23x = 18,562,968,224,138,545,594,368
  5. Step 5: Solve for x
    x = 18,562,968,224,138,545,594,368/157,606,109,193.23
  6. Step 6: Final answer
    x = 117,780,765,727.68

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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.