Home / 157,606,109,184.06-217,496,640,417.31-85,348,298,647.05

Finding the Fourth Proportional to 157,606,109,184.06, 217,496,640,417.31 and 85,348,298,647.05

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Solution

The fourth proportional to 157,606,109,184.06, 217,496,640,417.31 and 85,348,298,647.05 is: 117,780,765,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606,109,184.06 : 217,496,640,417.31 = 85,348,298,647.05 : x
  2. Step 2: Convert to fraction form
    157,606,109,184.06/217,496,640,417.31 = 85,348,298,647.05/x
  3. Step 3: Cross multiply
    157,606,109,184.06x = 217,496,640,417.31 × 85,348,298,647.05
  4. Step 4: Simplify right side
    157,606,109,184.06x = 18,562,968,221,066,620,567,552
  5. Step 5: Solve for x
    x = 18,562,968,221,066,620,567,552/157,606,109,184.06
  6. Step 6: Final answer
    x = 117,780,765,715.04

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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.